Ensure they have good review history.

Also, many tenants are younger and have limited credit history.

HELOCs are much tricker than a closed end second - they don't typically allow you to close in an LLC and they are full doc qualification, meaning your FICO, employment history, income, DTI etc all come into play.

Which one do you have the most favorable information on based on their past rental history and not what they say.I suggest using a service like Mayistay.

What documents do they require, what credit scores do they allow, how do they verify previous rental history, etc.?

A general rule of thumb though (not a hard rule) is that if a market has a prolonged history of vacation rentals such as towns whose commerce is very dependent on tourism like beach or mountain towns, then there is a good chance than those towns have established their airBNB regulations decades ago and are likely stable.

Your credit, investment history and bank statements will likely be evaluated and you'll need to personally guarantee the loan, but you can close under your LLC.

It was built in the 2010s and located in an established neighborhood with convenient access to schools, amenities, and major transportation routes.

It was built in the 2010s and located in an established neighborhood with convenient access to schools, amenities, and major transportation routes.

Solid employment history.