Costco has you covered when it comes to stocking up for the summer. Recently, the retailer has started selling a 20-foot above-ground pool with a built-in water heater and sand filter pump.

Heaters rated Fair or Poor can be hot enough to cause a burn when operating at their hottest setting. The Lasko CC23160 Motion Heat Plus (Costco) is part of the Space Heaters test program at ...