I dnt pay AC 
i sell AC but i dont pay any, so that is not problem. I just ask now do i sell it, or i can have profit with him for about year or 6 month?
i sell AC but i dont pay any, so that is not problem. I just ask now do i sell it, or i can have profit with him for about year or 6 month? If you don't pay for electricity that is a big plus but it doesn't mean you won't be better off selling the miner
http://www.ebay.com/sch/i.html?_odkw=&_osacat=16145&_trksid=p2045573.m570.l1313.TR0.TRC0.H0.Xcointer&_nkw=cointerra&_sacat=16145&_from=R40
Check at how much BTC you can sell it for and compare to your expected BTC return if you keep mining; please tell us what you decided