Walmart offers the Intex Queen 22" Rising Comfort Airbed Mattress with Built-In Pump in Blue/Tan, model no. 66717WL, for $40. Choose in-store pickup to dodge the $4.97 shipping fee. That's $30 off list and tied with our mention from three weeks ago as 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.