This inflatable, portable Therma Spa Hot Tub with a 211 gallon capacity and 131 air jets is just $494 at Overstock.com, plus it ships for free. This item typically sells for $600-$800, and this is the lowest price we found today by $13. If you are a new customer or create a new account with a new e-mail, get an additional $30 off for a shipped total of $464! For $30 off, use this link and type "Therma Spa" into the search field to find the item. Plus, there is no sales tax, except in OK, CO, NC and UT.