VMInnovations via eBay offers the Intex Pure Spa Inflatable Hot Tub, model no. 28403E, for $329.99 with free shipping. That's the lowest total price we could find by $27, although we saw it for $30 less via in-store pickup on Black Friday. It features space for four people, water temperature range of 68° to 104°, thermal ground cloth, grab handles, inflation hose, insulated clover, two filter cartridges, carry bag, and water capacity of 210 gallons. Deal ends May 10.