The travel industry might never be the same as it was before the coronavirus pandemic, but that doesn’t mean people aren’t eager to get out of their houses. Safety protocols will have a lasting impact on the way we travel, encouraging more people to choose destinations that are close to home and outside in the fresh air.

With these changes come new opportunities. If you’ve ever considered running an Airbnb, a treehouse company is offering an easy, relatively low-maintenance way to do it. “Treewalkers” by O2 Treehouse is “a treehouse hospitality franchise” with beautiful modular treehouse structures that can be erected as single units or “treehouse villages,” so you can turn a chunk of vacant land into a money-making paradise. First of all, the structures are beautiful, providing an experience that’s a few notches above tent camping — more in the realm of “glamping.” They can either be strung up among trees or installed on the ground, coming in modular kits that are customizable to adapt to the final location. They consist of O2 Treehouse’s “tetra truss” wooden structure system, a wooden platform, built-in furniture, tension cables, and a canvas canopy. Each unit can also contain all the furniture you’d normally find in a hotel room, including a queen-size bed, built-in benches, bookcases, and a dining bar.

Aiming to capitalize on both the ecotourism and home-sharing mark...