Home Depot offers the Stok Tourist Single Burner Portable Propane Gas Grill for $29. Opt for in-store pickup to avoid the $8.99 $79 shipping fee. That's $11 off list and the lowest price we could find for this super-cheap grill. It's single burner provides 7,000 BTUs of heat; other features include 104 square inches of grilling space, a piezo igniter, and collapsible legs.