As one of its daily deals, Best Buy via eBay offers the RoBo 3D R1 Plus Fully Assembled 3D Printer, model no. A1-0002-000, for $619.99 with free shipping. That's tied with our May mention and the lowest total price we could find now by $144. It fabricates parts up to 8" x 9" x 10" with a maximum resolution of 100 microns. Deal ends today.
There are many ways for seniors to get cheap -- and even free -- entertainment and services.