No, you'll have more if you invest 180/year continously. That's just for that one time deposit. If you start from 0 and deposit 15/month with an average return of 8% you'll net $48,316.19 (you only put in 15% of that yourself). You can play with the numbers yourself here
https://www.calculator.net/investmen...it=0&x=72&y=12
And yes, inflation is ofc a thing but that also works on your money you stockpile. So you either spend it and lose all buying power, invest it and get more buying power over time or save it and lose buying power over time.
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And? You convert less money to more and greatly outpace inflation. What's so difficult to understand? This kinda answers my original question...
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You've misunderstood the premise. The example was if you invested 180 dollars once, not annually. Should've pretty obvious that something was off when you compared the numbers?