Walmart has the Backyard Discovery Lennon 2-4 Person Cedar Outdoor Cube Sauna w/ 9kW Electric Heater on sale for $3599 with free shipping. 8mm tempered glass door, 29-gauge powder-coated galvanized steel roof.

• Also on sale: Backyard Discovery Paxton 4-6 Person Cedar Outdoor Barrel Sauna for $4499