Walmart offers the Intex Queen 22" Rising Comfort Airbed Mattress with Built-In Pump in Beige, model no. 66717WL, for $40. Choose in-store pickup to dodge the $4.97 shipping fee. That's tied with our mention from two weeks ago, $30 off list, and the lowest total price we could find. It measures 60" x 80" x 22" and features a 600-lb. weight capacity and high-powered pump that purportedly inflates the mattress in under five minutes.