How do they handle future capital improvements?  

Once time becomes the burden, couldn't you contract directly with a handyman, plumber, electrician, etc to handle those tasks?

And for the record, banks handling HELOCs differently in different places doesn’t disprove the concept.

I have a good property manager that essentially handles everything for me.

You need to find a brokerage that specializes in LTR's and can also handle the property management.

But a vacation rental, you'd better be ready to take calls and handle things at the most inopportune times. 

These companies typically handle the construction and sometimes even the property management, which can be a great way to enter new markets without needing to be hands-on.In terms of returns, BTR properties generally offer stable cash flow, especially in areas with strong rental demand.

Loan servicing companies charge for managing the loan, collecting payments, and handling escrow.

What are some of the best accounting software programs that you have found for handling the rental finances?

For those running short term rentals, how do you handle guests who misuse your property (like the author's film set situation)?