Aaccessories via eBay offers this Personal Therapeutic Steam Sauna in Red, model no. 12PSN001-STM-02, for $84.90 with free shipping. (AWInternational via Amazon charges a few cents more.) That's the lowest total price we could find by $65. It includes a steam pot, adjustable time and temperature, remote control, folding chair, and foot massager.

Update: The price has decreased slightly to $82.90.