This Serta Maxon Futon drops from $549.99 to $220 to $140.80 with codes LABORDAY20 and SEPT20 at Kohls.com. Even with a $20 shipping fee, this is the best deal we found anywhere, and you'll also get $25 Kohl's Cash after purchase. The next best price we found on this exact style was $216, and every other Serta futon like this one is going over $250 everywhere else. Sales tax is charged in most states.