Buy Super Deal via eBay offers the Microsoft Xbox One Console, model no. 5C5-00001, for $359.99 with free shipping. That's tied with our mention from a week ago as the lowest total price we've seen. (It's a current low of $26.) It includes a wireless controller, chat headset, HDMI cable, and power supply.
There are many ways for seniors to get cheap -- and even free -- entertainment and services.