The way that things like this are typically handled is that if a lawsuit were to happen, since both people have been behaving under the assumption of a lease (the landlord renting their space and the tenant paying rent), they would probably treat it as if there was a standard month to month lease agreement.  

Converting the basement to a living space to make a duplex.

I don't recommend it unless you can find a CPA who really understands the syndication space. 

It's a great way to give them a better sense of the space, especially if they're on the fence about booking.

Friends, family, or you might be able to access funds via a HELOC, cash value from a life insurance policy, take a loan out on your car, etc. 

It's a small venue so space will be limited, please DM me for location address if your serious about joining us.

If you prefer to be close to the restaurants, bars and nightclubs, you might be better off in or closer to the town although Tulum isn't that big so you have access to everything from the beach area as well.

Imagine a real crisis where they couldn't get the grid back up, and you couldn't access your accounts, etc.  

You can also ID potential properties that seller may accept a price 10%+ below their asking price.You should still have my calendar access link in the DM area here, so get on my calendar if you'd like to discuss more:)

These lenders can be an excellent option for quicker access to funds if you're ready to move on to the next property.