Quote from walterjennings:
a short term system that is profitable trading 1x leverage or forex futures. will be profitable trading 200x leverage. bigger DDs. bigger profits. more risk of being margin called, but if your system isint designed to protect against large movements against, you deserve to lose your money.
though if your original system lets your positions go into significant red, then its not scalable using leverage.

why did'nt i think that.. wait wait. im getting an idea... infinity leverage! no margin required, you eat your losses / gains. actually im guessing this is how many prop firms run with some limit on the max amount of cap you can use.