And to think I thought I MIGHT have a good idea.... (But I suppose my first hint it wouldn't work is that no one has thought of it before
...I was thinking of a scenario where a person takes SS benefit at 62...and keeps working, and therefore puts money back into their benefit calculation....so they would get the 75% benefit at 62, and build the benefit higher by continuing to work, so that when the person finally does retire, their benefit is higher than their age 62 benefit has been for two reasons: 1) because if they've earned more than the earning threshold SS has withheld the 1 for 2 portion of their benefit and put it back into their calculation -- And 2) because they've continued to work and contribute. The re-calculation will make the benefit higher.
(Two caveats though: of course reduced benefit at 62 would also be taxed, so that's a factor. But also if you make too much money by the time they hold back 1 for 2 for over earnings...some people wouldn't get any benefit anyway...it would ALL be withheld.)
So much for that plan.