Do some simple math on calculator there:
Total KHS: 3000
Total Investment: 4.33332000 BTC ($3717.99 USD)
Daily Income: 0.02093485 BTC ($17.96 USD)
Monthly Income: 0.64898035 BTC ($556.76 USD)
Break Even In: 207 Days.
My rig with 4x R9 280X do same 3000KH/s but for about 1500 USD
Break even in:90days.
Give me reason to throw my rig and buy this one cloud mining hashes:-)
Reason 1: If you go through cloudhashing then they get a commission. If you do it yourself then they get nothing.