Given the 120 degree heat here last week, our awful pool luck lately, and the recent network hashrate increase, I thought this might be a good time to explore the sale of one of our miners.  I took advantage of an opportunity to sell an S9 for 0.9 BTC.  Given that ours was an 11TH/s model and you can buy 13.5TH/s models cheaper through bitmainwarranty.com right now, I thought this was a good idea.