They take forever but they are the proper way to go (from the start). 

And the answer here is that we ONLY want to work with lenders that use full After Repair Value right away.Part of the proper steps to a successful BRRRR is getting prequalified.  

But you should most certainly be interviewing lenders before you pull the trigger on a property to get the proper information on how they lend money.  

I think understanding how to properly estimate deals on properties (the BP Rental Calculator is a great starting point for this).

The time and money spent getting it cleaned up, and then properly screening and placing your new tenant might be a good move.

It does not react well to water......I would just paint it to seal it...

I'll send you a DM to give you the name of one of those I'm using, as you'll definitely need one, even if you work with an agent (for the record, I'm not being paid any referral commission).If you want to deal with a real estate agents in Mexico, make sure that they are properly licensed.

AS for asset protection depends on what type of assets you have to protect so on and so forth.Generally speaking on your personal resi good insurance and nice big umbrella will work 99% of the time.AS your estate grows for sure there are methods that will help you with Trusts being one of the better ones from what I have seenBut to do it properly is 15 to 50k and then you have yearly maintenance and such.. 

Try to get an idea if the current owner screened tenants properly. 

If they are on month to month you are within  your rights, with proper notice for your state to give them a new lease.