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July 2, 2025 11 mins

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Compound interest and APY are financial superpowers that can transform modest investments into substantial wealth when given enough time. We explore the mathematics behind interest compounding, strategies for maximizing returns, and practical applications including a side hustle opportunity with Google Opinion Rewards.

• Starting with just one penny doubled daily would yield over $5 million in a month due to compound interest
• APY (Annual Percentage Yield) shows the real rate of return including compounding effects
• Different compounding frequencies (monthly vs quarterly) significantly impact long-term returns
• Investing $200 monthly starting at age 25 vs age 35 creates over $200,000 difference by retirement
• The Rule of 72 helps estimate how quickly your money will double (divide 72 by your interest rate)
• Reinvesting dividends creates a "snowball effect" that supercharges compound growth
• Credit card interest often compounds daily, making debt particularly expensive
• Google Opinion Rewards app offers a legitimate way to earn extra income through quick surveys
• Android users receive Google Play credits while iOS users earn PayPal cash
• Surveys typically take less than 60 seconds and pay between $0.10 to $1 each

Visit greatdayradio.com to sign up for our newsletter and learn about contests and giveaways. For businesses looking to promote your brand through our contest platform, click on advertising for more information.


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Episode Transcript

Available transcripts are automatically generated. Complete accuracy is not guaranteed.
Speaker 1 (00:00):
You are listening to the best podcast from the USA to
the UK on GreatDayRadiocom.
Welcome to Great Day Radio'sMoney Talk podcast.
I am your host, DJ Mikey D,along with my UK sister, DJ
Sophia Grace, For this episode.
We are going to break it downon finances, such as what is an
annual percentage yield or API,what is compound interest and

(00:22):
much more.
For our segment two, I willshare with you a source.
I used to make a few bucks hereand they're using Google.
So get a pen and paper andprepare to learn, folks.
You know what blows my mind.
If you started with just onepenny and doubled it every day
for a month, you'd end up withover $5 million thanks to the
power of compound interest.

Speaker 2 (00:41):
Well, that's fascinating, and it really shows
why understanding compoundinterest is so crucial for
building wealth.
Though most of us won't seethat kind of dramatic growth,
the principle remains the same.

Speaker 1 (00:54):
Exactly right.
And that brings us to somethingI've been researching lately
annual percentage yield, or APY.
It's actually pretty wild howmany people don't realize the
difference between simpleinterest and compound interest.

Speaker 2 (01:09):
Hmm, could you break down exactly what APY means for
someone who's never reallythought about it before?

Speaker 1 (01:16):
So here's the thing APY shows you the real rate of
return on your money over a year, including all the compounding
effects.
Let's say you have a 5%interest rate that compounds
monthly, your actual APY wouldbe 5.116% because you're earning
interest on your interest 12times throughout the year.

Speaker 2 (01:38):
Oh, wow, and I imagine those small percentage
differences can really add upover time, right, exactly.

Speaker 1 (01:44):
Let me give you a concrete example.
If you invest $1,000 at 5%interest, compounded quarterly
for 10 years, you'd end up with$1,647.
But here's where it getsinteresting.
If that same rate compoundedmonthly instead of quarterly,
you'd earn even more.

Speaker 2 (02:02):
Well, that reminds me of something I learned recently
.
Banks actually use differentcompounding frequencies and it
can make a huge difference inyour returns over time.

Speaker 1 (02:11):
You know what's fascinating about that?
The math behind it all comesdown to a pretty straightforward
formula.
It's like 1 plus Rn to thepower of nT, where R is your
interest rate, to the power ofnt, where r is your interest
rate, n is how often itcompounds and t is the time
period.

Speaker 2 (02:30):
So, if we're talking about practical applications,
what would you say is the mostimportant thing for people to
understand about compoundinterest?

Speaker 1 (02:37):
Well, I'd say the biggest thing is understanding
the time factor.
Einstein wasn't joking when hesupposedly called compound
interest the eighth wonder ofthe world.
The earlier you start, the moredramatic the effects become.

Speaker 2 (02:53):
That makes me think about my own investment strategy
.
I've been focusing a lot onfinding accounts with the
highest APY, but maybe I shouldbe thinking more about the
long-term compounding effects.
But maybe I should be thinkingmore about the long-term
compounding effects.

Speaker 1 (03:04):
You're onto something there.
Let me share a mind-bendingcalculation.
If you invest $200 monthly,starting at age 25 versus age 35
, the difference by retirementage can be well over $200,000,
even with a modest return rate.

Speaker 2 (03:23):
That's absolutely incredible and kind of
terrifying if you think aboutthe opportunity cost of waiting
to invest.

Speaker 1 (03:27):
Right, and here's another layer to consider.
When we talk about compoundinterest, we're not just talking
about savings accounts.
This applies to investments,dividends and even debt, though
in that case it's workingagainst you.

Speaker 2 (03:40):
Well, that brings up an important point about debt.
Credit card interest oftencompounds daily, which is why
those balances can grow soquickly.

Speaker 1 (03:48):
Exactly, and that's why understanding APY is crucial
for both sides of the financialequation.
When you're looking at a creditcard with a 20% APR, the actual
APY could be significantlyhigher because of daily
compounding could besignificantly higher because of
daily compounding.

Speaker 2 (04:04):
You know I've always wondered about the relationship
between inflation and compoundinterest.
How does that factor into theequation?

Speaker 1 (04:12):
That's such a crucial point.
We need to consider what'scalled the real rate of return.
If your savings account isgiving you 2% APY but inflation
is running at 3%, you'reactually losing purchasing power
over time, even though yournominal balance is growing.

Speaker 2 (04:31):
Well, that certainly puts things in perspective.
No wonder financial advisorsalways stress the importance of
investing in assets that canoutpace inflation.

Speaker 1 (04:40):
And speaking of investment strategies, let's
talk about something called therule of 72.
It's this fascinating shortcutthat helps you estimate how long
it will take your money todouble.
You just divide 72 by yourinterest rate.

Speaker 2 (04:56):
Oh, interesting.
So with a 6% return it wouldtake about 12 years for your
money to double.

Speaker 1 (05:02):
Precisely, and here's where it gets really
interesting.
At 9% your money doubles ineight years, and at 12% it only
takes six years.
The acceleration is remarkable.

Speaker 2 (05:16):
That makes me think about diversification.
You'd want to balance thosepotentially higher returns with
more stable investments, right?

Speaker 1 (05:24):
Absolutely right.
Think of it like a garden.
You want some fast growingplants that might be more
delicate, balanced with steady,reliable growers.
The key is letting compoundinterest work its magic across
different types of investments.

Speaker 2 (05:40):
Well, that brings up another question how should
people think about reinvestingdividends versus taking them as
income?

Speaker 1 (05:49):
That's where the power of compound interest
really shows itself.
When you reinvest dividends,you're essentially supercharging
the compounding effect.
Each dividend payment buys moreshares, which then generate
more dividends, creating thisbeautiful snowball effect.

Speaker 2 (06:05):
That reminds me of something Warren Buffett once
said about how a largepercentage of his wealth came
from investments he made afterhe was 50.

Speaker 1 (06:13):
You know what's fascinating about Buffett's
story?
It's the perfect illustrationof compound interest at work.
The growth wasn't linear, itwas exponential.
The first million was thehardest, but then each
subsequent million came fasterand faster.

Speaker 2 (06:29):
Well, that certainly puts things in perspective for
long-term investing strategies.

Speaker 1 (06:34):
And here's another aspect people often overlook the
psychological component ofcompound interest.
It requires patience anddiscipline to let your money
grow without touching it.
It's like watching water boil.
It requires patience anddiscipline to let your money
grow without touching it.
It's like watching water boilit seems like nothing's
happening until suddenly it'sbubbling over.

Speaker 2 (06:51):
That's such a good analogy and it probably explains
why so many people struggle tostick with their investment
plans.

Speaker 1 (06:59):
Exactly right.
And you know what's interesting?
Studies have shown that peoplewho check their investment
accounts less frequentlyactually tend to get better
returns.
They're less likely to makeemotional decisions based on
short-term market movements.

Speaker 2 (07:13):
Well, that's certainly something to think
about in our age of constantconnectivity and real-time
updates.

Speaker 1 (07:19):
Let me wrap this up with what I think is the most
important takeaway.
Compound interest is like afinancial superpower that's
available to everyone, but itrequires three things
understanding, patience and time.
The earlier you start, the morepowerful it becomes.

Speaker 2 (07:37):
That's really well put and I think it's a perfect
note to end on Understandingthese concepts can literally be
worth millions over a lifetime.

Speaker 1 (07:46):
Exactly, folks, stay tuned in for segment two, as I
give you some knowledge whereyou can start making money today
.
If you are on TikTok orInstagram, be sure to visit
GreatDayRadiocom to listen tosegment two.
Until next time, peace, you arelistening to the People.
Station on GreatDayRadiocom.
Welcome back toGreatDayRadiocom.

(08:08):
As promised, I am going toshare with you information on
how to start making a few buckshere and there.
What I am talking about is theGoogle Opinion Rewards app,
which represents a notabledevelopment in the micro-earning
landscape, offering users alegitimate way to earn
supplemental income throughsurvey participation.
This Google Consumer Surveyscreation serves both Android and

(08:33):
iOS users, though withdifferent reward structures for
each platform, making itaccessible to a broad range of
smartphone users seekingadditional income opportunities.
The foundation of the appcenters on a straightforward
exchange.
Users complete surveys to earnrewards.
The initial setup processrequires downloading the app

(08:54):
from either the Google PlayStore or Apple App Store,
followed by creating a detailedprofile through demographic
questions.
This profile information servesa crucial purpose, enabling
Google to target relevantsurveys to each user, thereby
increasing the frequency andrelevance of earning
opportunities.
The earnings mechanism differssignificantly between platforms.

(09:16):
The earnings mechanism differssignificantly between platforms.
Android users receivecompensation in the form of
Google Play credits, which canbe applied toward digital
purchases including apps, games,music, movies and other
entertainment content within theGoogle ecosystem.
Ios users, in contrast, earnactual monetary compensation
delivered through PayPal,offering more flexibility in how

(09:39):
rewards can be utilized.
This platform-specificdistinction plays a crucial role
in determining the app's valuefor different users.
Survey notifications arriveperiodically throughout the day
or week, with mostquestionnaires designed for
quick completion, typicallyrequiring less than 60 seconds.
The brevity of these surveysmakes them easily manageable

(10:03):
during short breaks, commutes orother moments of downtime.
Compensation varies, butgenerally falls within the range
of $0.10 to $1 per survey,positioning this as a modest
earning opportunity rather thana primary income source.
To maximize earning, potentialusers should maintain up-to-date

(10:24):
profile information anddemonstrate consistent
responsiveness to surveynotifications.
Google's algorithm shows apreference for active users,
rewarding regular participationwith increased survey
frequencies.
This creates an advantageouscycle where engaged users
receive more opportunities toearn, though the overall income

(10:46):
remains supplemental rather thansubstantial.
Beyond the immediate financialbenefits, participation in
Google Opinion Rewards offersusers the opportunity to
influence product developmentand service improvements across
various industries.
Survey responses contribute tomeaningful market research that
shapes future consumerexperiences, adding a deeper

(11:10):
layer of engagement to theearning process.
This aspect appeals to userswho value the ability to impact
product development and markettrends.
The app's primary valueproposition revolves around
convenience and minimal effortrequirements For individuals who
regularly use smartphones,completing quick surveys can

(11:31):
seamlessly integrate into dailyroutines without requiring
significant time, investment orspecial skills.
Daily routines withoutrequiring significant time,
investment or special skills.
The low barrier to entry andsimple interface make it an
attractive option for thoseseeking easy supplemental income
without complicatedrequirements or extensive
commitments.
However, maintaining realisticexpectations about earning

(11:52):
potential is crucial for usersatisfaction.
While the app provides alegitimate method to earn extra
money or credits, the income isinherently modest and variable.
Users should approach it as aconvenient way to earn small
bonuses rather than viewing itas a significant income source
or replacement for traditionalemployment.

(12:12):
With that being said, what I dois have that money go directly
into my PayPal savings accountthat has a 3.80% APY return.
If you have a PayPal account,look at starting a savings
account it is free to establish.
The platform's success stemsfrom its emphasis on simplicity
and accessibility.

(12:33):
There's no complex learningcurve or specialized knowledge
required.
Users simply need to sharehonest opinions about products,
services or experiences.
This straightforward approachmakes it accessible to a wide
range of participants,regardless of technical
expertise or professionalbackground.

(12:54):
For those evaluating GoogleOpinion Rewards, key
considerations include platformchoice, android versus iOS,
reward preferences, storecredits versus PayPal Cash and
willingness to engage regularlywith surveys.
The app's design prioritizesuser convenience, making it easy
to participate withoutdisrupting daily routines or

(13:15):
requiring significant timecommitments.
The sustainability of earningsvaries significantly based on
user location, demographics andactivity levels.
Users in urban areas or nearretail locations typically
receive more surveys related toshopping experiences and local
businesses.
Similarly, individuals whofrequently interact with various

(13:39):
businesses and services mayfind themselves qualifying for
more surveys, leading toincreased earning opportunities.
Privacy-conscious users shouldcarefully consider the app's
data collection practices.
The service collectsdemographic and location
information to match surveysappropriately, which helps

(13:59):
provide relevant opportunities,but also raises important
privacy considerations.
Users should review Google'sprivacy policies thoroughly to
understand how their personaldata is utilized and protected
within the system.
The integration with existingGoogle services provides
particular advantages forAndroid users already invested

(14:20):
in the Google ecosystem.
The ability to apply earningsdirectly to Play Store purchases
creates a seamless experiencefor those who regularly purchase
apps, games or digital content,effectively reducing
out-of-pocket expenses for theseitems.
For iOS users, the PayPal CashRewards offer greater
flexibility in how earnings canbe utilized, while payment

(14:43):
thresholds may vary by region.
The direct cash compensationprovides more versatility
compared to store-specificcredits, allowing users to spend
their earnings however theychoose, rather than being
limited to digital contentpurchases.
The app's regular surveyopportunities and prompt payment
processing contribute to itsreliability as a supplemental

(15:05):
income source.
Users consistently reportreceiving surveys, though

(15:25):
frequency varies, and paymentsare processed according to the
platform's specific systemswithout significant delays or
complications.
This reliability helpsestablish trust and encourages
continued participation amongusers.
Will help your pockets get alittle fatter.
Stay tuned in as we continue toexplore more opportunities to
help you increase your income.
Also, be sure to sign up forour newsletter as we announce
new contests and giveaways.
Continue to share the love, andthank you for listening to
greatdayradiocom.
Peace out.
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(15:48):
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Speaker 2 (15:54):
That's fascinating.
How do you think these stationsmanaged to transform simple
giveaways into such valuablecommunity building tools?

Speaker 1 (16:04):
Well, it's actually quite brilliant when you look at
the psychology behind it.
Studies show that digitalengagement combined with
traditional radio creates a 40%higher retention rate for
listeners.
They're tapping into multiplereward centers in our brains.

Speaker 2 (16:21):
You know what really stands out to me?
The way they've maintained thatpersonal touch even as
everything's gone digital.

Speaker 1 (16:29):
Exactly.
And here's the reallyinteresting part Newsletter
subscribers are five times morelikely to participate in future
station events.
They've turned what could bejust another promotional tool
into this vibrant community hub.

Speaker 2 (16:41):
So it seems like they're building something much
bigger than just contest.

Speaker 1 (16:45):
That's right and get this.
Stations using this integratedapproach see an average 300%
increase in listener engagementcompared to traditional
radio-only formats.
They're not just giving awayprizes anymore.
They're creating loyalcommunity members who stick
around for years.

Speaker 2 (17:05):
The whole approach really shows how media
engagement has evolved intosomething much more
sophisticated.
With that being said, if youare a company or need to get
your product or brand noticed,have you considered utilising
our contest platform to helppromote your brand?
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(17:27):
information.
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