Yes, it's a lot of work, but way better than having a bunch of digital dollars in an account, and watching it slide up and down based on events totally out of your control. And wonder about whether it is safe.
If you buy something adjoining a park or wilderness, it's like owning thousands of acres. You can go for a hike from your front door.
Water sources are important. Is there a well, is it drinkable, is it productive, is the water table dropping? How much does it cost to drill? Where I live, you're looking at drilling through 300ft of granite to hit water. At the other end, a septic system install will cost 5-7k, assuming you have the right kind of soil, that goes deep enough. And don't forget about electric, although it seems like most places these days have access to power.
Or you can put that off and just have a large water tank (1000-2500 gallons) brought in and refilled periodically.
I just took it gradually. The place I bought had a well-built little well house on it, that I expanded into a cabin with kitchen and bath. And a porch where we can sit and watch the wildlife. You don't need a lot of interior space if you have all outdoors.
With regard to Airbnb, in many places, the neighbors get to weigh in, at a local gov meeting, and they can object to you being granted a license. Where I live, almost no one is granted a license.