Above-ground hot tubs typically cost $500–$2,500 to install, depending on site prep and electrical work, Farr says. In-ground hot tubs, which require excavation, concrete, and custom plumbing ...

versus 3,000-4,000 lbs. for a traditional hot tub. This means you won't need any special decking for set-up. You'll just need to prep the ground by finding a flat space free of sharp objects.