A real “Gainiumer” doesn’t see a “loss” as a loss but as a possibility for a double profit

General
6

I wonder whether that calculation is correct.

$50 * 1.02 = $51
$51 * 1.02 = $52.02
...

It’s correct that you gained at least $1 in your scenario but not 1 coin.

That’s how you could do it instead