#9
Started with ~3000 bits, since I am skeptical about this stuff.
Used it for 30 minutes -> lost ~1400 bits.

Started it again with smaller start, lost it all.
Used "Speed's" scripts, since they're "safest".

http://prntscr.com/mg2z5y

Not OP's fault though, It's gambling after all - it's all about the luck. Also, OP should probably remove "profit guaranteed" from thread's title.