Buy a cheap miner and mine away? Best miner for home use is the R7-LN or the R4 which is more efficient. My power company just lowered their rates to 2 cents for winter. I believe I will solo mine all winter and I may or may not hit the lottery. Cheaper than a lottery ticket addiction in my opinion?
I believe you mean the S7-LN. IT actually won't profit for most people, as it's efficiency is comparable to that of the S7. The R4 is, imo, a waste of money; the S9 is a better and slightly more efficient solution. It's not guaranteed that you hit a block, and it can actually cost more than buying lottery tickets over a long time.