aSavings via eBay offers the Honeywell WiFi Thermostat, model no. RTH6580WF, for $79.99 with free shipping. That's $4 under our mention from last fall and the lowest total price we've seen for this thermostat. (It's a current low by $12.) This thermostat can be viewed and controlled via a free app for iPhone, iPad, and Android, and features 7-day programming with four program periods per day, pre-programmed energy savings schedule, and universal compatibility.