NOTE: Use a bankroll of around 1-2 BTC. Higher is better.
Anyway, these are the settings. I know, I know. House always wins, rigged, ya da yada. This is just better than martingale and has brought me lots of profit in the past.
Base bet: 0.0005-0.002
Multiply on loss: 1.1
Payout: 9.9x
Run this on
http://bitcoindicesimulator.com/play/#dice to test it. Use 99 BTC and lose it, then practice with 1 BTC. See how much profit you'll make

This method stil depends on our luck! The end result will be different for every person. Use this method very often will lead us to the very bad condition since we can get more than a hundred reds at 9.9x. Btw, thanks for sharing your strategy and good luck!