It really is a good idea but the problem is it takes a longer period of time for you to get to the withdrawal limit and if you try to multiply your earnings too ,you can lose all you have gained in a flash. Your strategy seems more interesting and i will try to get as many people as i can to join so i can reap my referral benefits and also they too can get some BTC for
check my blog @kwakumax maybe you want to give it a try