How do I prevent this person getting sellers name and phone # and doing their own deal?    

That's really great advice and will allow you to knock out a bunch of important tasks before your hectic work day prevents you from getting those tasks done.

However, while a DBA/LLC may prevent your personal name from coming under scrutiny, it will not protect you from losing your license if a "few deals go wrong".

To prevent this in the future I try to sign up November & December renters to modified lease, such as a 13 or 14 month lease.#5 Finding specialists is key.  

A simple service call, or visit from a landlord to fix the problem could be all you need to prevent a serious problem with a costly repair bill.

@Bill G. all good points, but most not relevant to the context of my post. 

If that does not work you may have something checked in your browser that prevents downloads.  

This will prevent him from selling this home until he resolves it with you.Keep us informed, I'd love to hear the end of this story, but it sounds like you will be ok if you let the Title Company know in writing exactly what you discovered, and copies if possible. 

Im thinking not this deal.No one in their right friggin mind is going to overpay for a condo.Like I said, read the HOA, which prevents creative selling solutions like owner financing and lease w option and lease purchase. 

He did shut the water down to prevent further damage.We rush there, open up the ceiling, drain all the water (collected good couple of gallons), make three holes (big enough to stick a head and look around) but find no source of leakage!