You are looking at the wrong miner

0.5
BTC for a Scrypt ASIC with 6 MH/s which makes a return on investment in not even two month if you switch between profitable coins once a week. agree with us, this is a very good deal.
Nope, I'm looking at the same miner, a Gridseed G-Blade
http://www.x-hash.com/pro/bladeNot sure your ROI numbers are right or even close either
