Change your own oil? That's a stupid waste of time. It's cheaper and quicker to have someone else do it. Changing doorknobs? Fixing a tear in your car's leather seat? You call that auto repair? LOL. Gee...you probably know how to change out flashlight batteries, too! You sound more sheltered than you know.
They want to be soldiers out of feminism. They think they can do anything men can do. What makes you think they would accept a more "female suited" role? This would amount to them conceding to not being as able as males.
Your average yearly savings over 32 years would have had to be $196,875.00 per year, in order to have "saved" $6,300,000.00. So how did you accomplish this?? Because this sounds like total BS to me.