why stay away?
Because you'll not make ~
BTC3 by mining using any of these machines.
Buy
BTC3 today. You'll still have them 12 months from now.
If you buy these machines, 12 months from now you'll have junk box and maybe
BTC1.9
Here are the numbers, assuming 30% jumps in difficulty every two weeks. First column - earnings per day, second column - cum. earnings in two weeks
0.04 0.56
0.028 0.392
0.0196 0.2744
0.01372 0.19208
0.009604 0.134456
0.0067228 0.0941192
0.00470596 0.06588344
0.003294172 0.046118408
0.0023059204 0.0322828856
0.0016141443 0.0225980199
0.001129901 0.0158186139
0.0007909307 0.0110730298
0.0005536515 0.0077511208
0.000387556 0.0054257846
0.0002712892 0.0037980492
0.0001899025 0.0026586344
0.0001329317 0.0018610441
9.3052205594883E-005 0.0013027309
6.51365439164181E-005 0.0009119116
4.55955807414927E-005 0.0006383381
3.19169065190449E-005 0.0004468367
2.23418345633314E-005 0.0003127857
1.5639284194332E-005 0.00021895
1.09474989360324E-005 0.000153265
BTC1.8663090484That is assuming it will be worth to run it 6 months from now.