Best Buy has the HP Envy Wireless Multifunction Inkjet Printer (Black) for $30 with free shipping. List price: $150. Features print speeds of up to 14ppm in black and up to 9ppm in color, 4800x1200 dpi color resolution, 2.7" touch LCD, also copies and scans.
eBay has the Dell S2817Q 28" Ultra HD 4K 3840x2160 LED Backlit Monitor for $240 with free shipping. Features 3840 x 2160 resolution (UHD 4K) @ 60Hz, TN anti-glare LED panel, 2ms response, 2 x 9W speakers, 2 x HDMI, DP, mDP, USB 3.0.
Has average Amazon Reviews.
eBay has the Monoprice MP i3 3D Printer Fully Assembled MicroSD & Sample PLA (130441, eBay Exclusive) for $117 with free shipping. Retail price: $400.