A million after taxes is worth 20 years at 100k after taxes (50% rate). Investing a million today say in real estate over 20 years will give you money to live

A million after taxes is worth 20 years at 100k after taxes (50% rate). Investing a million today say in real estate over 20 years will give you money to live on while you rent and a the property can be sold for double in 20 years. Repeat and this strategy would bring increasing wealth for a 20 year old.