Time’s either on your side or it’s working against you.
The most beautiful thing about about investing early in life is compounding interest. When I was a teenager, my dad gave me an “IRA calculator”. It is a simple piece of cardboard with two pieces that slide in and out. One is for interest rates and one is for years of investment. In the middle of the cardboard is a series of numbers and next to each number a small hole. By moving the two pieces around, you can see how much money you will make if you invest a given amount over a certain time at a certain interest rate.
The whole point of the “calculator” and of my dad giving it to me as a teenager is that the more time you have, the more money you will make even if you invest small amounts. The reason for this is because of compounding interest. You can also have the reverse, compounding debt. The idea behind compounding interest is that the interest earns interest. Over time, the number becomes quite large.
The point of having compounding interest is that your money works for you, not the other way. And, as the interest amount becomes larger the harder it works for you.
Let’s say you start with $1,000 at a 7% annual return. After one year you have $1,070 dollars. If you don’t add anything, then at the end of the second year, you will have $1,144.90. Year three will see you with $1,225.04. In three years, you have added $225 dollars without you doing anything. After 20 years, your initial $1,000 investment is worth $3,869.68. After 30 years, it is $7,612.26. All by investing only $1,000.
Now, here’s what happens if you start with $1,000 at 7% interest compounding and add $1,000 per year that also compounds. In 20 years, you will have $47,734.86. In 30 years, you will have $108,635.30. That means that over 30 years, you have put in $1,000 per year ($30,000 total) but you have an investment worth over three times that amount for a “profit” of $78,635.30. Money you didn’t have to work for.
Say you are able to put in $3,000 per year for 30 years, you end up with $326,055.89. If you watch your money and under-live and are able to invest $10,000 for 30 years, you end up with $1,086,852.96. And you only invested $300,000. That means you have a profit, that you didn’t work for, of over $700,000. So, you see how compounding interest works for you. You take small amounts and over time end up with much larger amounts and you don’t do anything, your money does all of the work.
Obviously, in real life, each year you will be able to invest different amounts and over time the interest rate will fluctuate. But, you can control when you start putting away. Consider this, a 20 year old who puts away $3,000 a year for 30 years at 7% has $326,055.89 at age 50. But, a 40 year old will have to put in $19,500 for 10 years at 7% to get $326,639.64.
Which is easier to sock away, $3000 per year or $19,500 per year? So, start early, even if it’s a small amount. As your income grows, your ability to put away larger amounts of money will grow as well. The longer time you have to let your money compound, the less the fluctuations in rates of return will affect you and the more money you will have in the end.
And, the best thing is, the money did all the work! When my dad gave me my “IRA calculator”, they were hard to find. Now, with a quick search on the internet, you can find lots of them. Take some time and plug in some numbers. You’ll be amazed at what you find. And, with any luck, it will motivate you to start saving right now!
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