Investing $100/month at age 20 with an 8% return will yield $540,000 by age 65. Delaying this by 5 years (starting at age 25) will result in $361,000, a difference of $177,000.
"if you invest $100 a month starting at the age of 20 at an average of an 8% return by the time you're 65 that $100 a month will have turned into a nest egg of almost $540,000 however if instead you think but G I have my entire life ahead of me I want to go to Coachella and buy their avocado toast and you start investing that very same $10000 a month just 5 years later at the the age of 25 by the time you're 65 that amount will have only turned into $361,000 that works out to be a difference of $177,000 just by waiting an extra 5 years to invest early on"