You can always pick those up after the lease ends via a judgement in court - you will have the same odds of collecting unpaid rent (close to 0).Sometimes we take it personally when folks do stuff like pay late every month - landlords live longer when we learn to not take things personally.

Personally I’d have them start saving up and get traditional financing and pay you off.

You may or may not have a personal guarantee, but probably will.  

However, nothing tops in-person connection.

That generally means there is one person whose sole job is to respond to you.

STRs that I could use for personal use (family vacations) once or twice a year.  

Put an enclosure around it, heat it when necessary and  call it an indoor pool.My next personal house is just going to have a smaller pool like one of these.

Most lenders will offer two options:1: 20% down and 20 yr amortization and 10 yr term.2. 25% down and 25 yr amortization and 10 year term.Rates will vary by region, lender, and relationship with your lender.  

For my passive capital I chose to lean away from crowdfunding platforms in favor of building relationships with great operators and investing directly with them.

That person already had that money spent in their head even before the property is sold