Will the price of Antminer S9s go down in price at all since they're so high due to demand?

On Amazon and eBay the prices of S9s are reaching $3500-$4000 even thought they're sold for ~$2k on Bitmain. Should I expect a decrease in price or will it continue to keep rising?

Submitted September 02, 2017 at 09:19AM by Ibott09 http://bit.ly/2eNnO8n