Walmart and Best Buy discount HP all-in-one printers under $30 for Black Friday

Get a head-start on Black Friday-quality deals with these two HP printers from Walmart and Best Buy. The HP DeskJet 2640 All-in-One Wireless Color Inkjet printer is only $24, and the HP Envy 5014 Wireless All-In-One printer is discounted 75% to just $30.