Walmart offers the Canon Pixma MX490 WiFi All-in-One Inkjet Printer, which also scans, copies, and faxes, for $35 with free shipping. That's tied with our mention from two weeks ago at only a buck over the lowest price we've seen. (It's the best price we could find today by $5.) Features include: 2.5" LCD 8.8 ipm black print speed & 4.4 ipm color print speed 4800x1200 dpi maximum color print resolution 802.11n wireless 20-sheet auto document feeder compatibility with Google Cloud Print and AirPrint
If you have or expect to have a modest retirement income, you may want to avoid spending your golden years here.