I've been running my B3 since 05/07 and I GPU mined from 05/08 with 12x 1070s for weeks, PLUS hit a CPU block.

Total BTM count: 1,683

I'm $2,500 into a B3 (launch) and even with the $500 USD refund from Bitmain, I'm still in the hole $1,360. Only hope to even break even would be for BTM to hit a new ATH of $1.12. Completely unrealistic, lol. Every single person who bought a B3 got incredibly shafted, but that's zero surprise coming from Bitmain.