One of the things I’m uncertain about is whether or not I should pay off personal debts before making investments.

But would it be fine if I Iabeled myself as the listing owner and made the other person the host? 

The seller was the most lazy person I have ever met.

If this area interests you @Angelo Proto, he would be a great person to reach out to.

LLC is more based on protecting personal assets from business liability.

I don't have personal experience with it though. 

And, I just don't buy that GPs will liquidate the deal to finance their personal problems - if that's the case, then I invested with a GP who was irresponsible to risk their family's financial future on a single deal.

The seller needed to sell quickly due to personal reasons, which allowed us to negotiate favorable terms.

:-pI don't think it would be worth it, personally, unless your end goal was to relocate to Spain.

Have had it happen in personal houses before, it was usually due to humidity in cities with high, high humidity.