Is this issue just now arising, or has there been some back and forth already?

There is a limited number and thus as long as it remains popular and in demand value should hold across all currencies or increase.

If it's it's long terms, say 7-30 years, LTV is 30-50%A few questions arise...1. with this route, is there any pitfall I need to be aware of?

The grantee (buyer) may be responsible for title issues during their ownership, not having title insurance means you'll have to defend title, if a matter arises prior to your ownership, you will need to subrogate against other insurers, a David and Goliath position, getting past coverage to save yourself from any loss, the buck can stop with you if you warrant title.The heirs should be using a Special Warranty Deed excepting out their responsibilities to title allowing warranty from past ownership. :)    

My take is that the issue is a little deeper, and I realize this won't be a popular note.

Roger Herring seems to be the popular BP referral here with Investor's Accounting.

This is good news in a rising rate environment.  

It seems like you live in quite a popular market.

The Carolina's are popular investing emerging markets,Good luckPaul

However, as with everything there are pro's & con's.My preference is to offer the money person a recorded secured lien position.If there is a division of responsibilities for operations, service contracts with performance incentives have worked better for me.The issue that arises most often with partnership arrangements is that one partner frequently feels that the other isn't pulling their weight.