It's more difficult to install an undermount tub than a drop-in. "It has to sit absolutely level on the subfloor," says Khiel. "Framing for the surround is done right up to the height of the tub." ...

Universal Tubs partners exclusively with The Home Depot to provide a wide selection of bathtubs, including drop-in, walk-in and freestanding models, along with coordinating tub surrounds.

The rugged, collapsible soaking tub packs down to car camping size ... but we did walk away impressed with the Joolca vehicle-mounted drop-down privacy tents we checked out while there.