Hi bitkilo,
I think you did have any experience in the bitcoin doubler business. I am personally investing bitcoins in the trustful doubler sites and getting good returns. The past six months I am in this business and earning good profits. This is risky-full business, so if you have the guts to take risk, then its a perfect business to make more money.
Why not share what so called "trustful doubler sites" are out there ? From as far as I know, there is absolutely none as its all a scam to steal coins from other people. You are just an idiot to support BTC doublers.