1. Time value of money. $1.2 million in 40 years will be about $2.65 million then, assuming 2% inflation.
2. 5% average savings. As far as I can tell, interest rates are no longer exceeding inflation, and haven't been for quite a long time in market-time. I would count on your interest to barely have you breaking even, all in, unless you're taking risks with the money.
1. Time value of money. $1.2 million in 40 years will be about $2.65 million then, assuming 2% inflation.
2. 5% average savings. As far as I can tell, interest rates are no longer exceeding inflation, and haven't been for quite a long time in market-time. I would count on your interest to barely have you breaking even, all in, unless you're taking risks with the money.