Amazon has the Yeacar Raised Twin Air Mattress w/ Pump (dgdg) for $87.77 - $52.66 off with coupon BVLTLOMN (Ends 1/19) = $35.11 with free shipping. It features a built-in electric pump, PVC bottom, and 650-lb. weight capacity.
Has excellent Amazon Reviews.
Home Depot has the Sportsman 3x2-Foot Stainless Steel Worktable (802733) for $174 with free shipping. . It is 26" high and constructed of 430-stainless steel and features rounded corners for safety with a 1.5". upturned edge on 3-sides to keep contents on the work surface and off the floor.