There could be simple admin rules put in place to prevent this crap from going on. 

The key occupancy requirement for FHA loans is at the time of the original purchase—usually requiring you to live in the home for at least a year.If you've met the initial FHA loan requirement of living in the property for 12 months (which you would have by November 2024), you're typically free to move out and house-hack again, even if you choose the FHA streamline option If your goal is to acquire another property in Q1 2025, refinancing via FHA streamline shouldn’t prevent that.

Unfortunately creditor rights laws prevent the owner from verifying directly with the utility provider until a lien is filed which I always thought was unfair but this is a way to confirm the usage is being paid for real time. 

The IRS has strict rules preventing passive losses from offsetting active income unless you qualify as a Real Estate Professional (REP).

But log siding is absolutely not going to prevent any lender from financing a home. 

It requires a higher down payment and remote management, which can be harder without a strong team.House hacking with a VA loan is better for hands-on management; DSCR is great if you're ready to start from a distance.From a tax perspective, if you intend to qualify as REPS or have material participation in STR, being overseas will prevent that.

How do you prevent them from running up crazy purchases?

So, my question is using "involuntary conversion provisions" prevents you from doing partial disposition, recognizing a loss for remaining depreciation on the old roof, and depreciating the new roof?

One where the guest left the freezer door ajar and it cause a freeze up of the bottom edge of the door seal.One for a clog in the master bath shower drain.

It's not your dryer or laundry creating the lint that clogged the vent.