Walmart offers the Summer Waves 12-Foot x 30" Quick Set Swimming Pool for $59 with free shipping. That's tied with our mention from last June and the lowest price we could find today by $32. It measures 144" x 144" x 30" and includes a filter pump with chlorinator. Looking for something a little smaller? Walmart also offers a 10-Foot x 30" model for $48, also with free shipping. That's the best price we could find by $22.