Based on your financial expertise, provide your response or viewpoint on the given financial question or topic. The response format is open.

Can saving/investing 15% of your income starting age 25, likely make you a millionaire?
Millionaire, Shmillionaire! Let's do this calculation Bruno Mars style (I wanna be a Billionaire...) If my calculations are correct, in the above scenario, at age 80, you would have more than a billion in the bank, after taxes.