There are also technicalities to be considered in calling deposits security deposits as opposed to damage deposits as well.

You get the opportunity to document damages to deduct from SD.

Failure to disclose and making a deal an impossibility to perform can have damages exceeding the value of the deal.

Well the typical wholesaler purchase contract gives you a clause that if you back out of the deal they keep the earnest money as the sole liquidation of damages. 

If you have just one place and get the wrong tenant everything is amplified with no income and possible damages to fix to get re-rented.

depending on how bad warps actually are, i would pour the footings let dry for 5-7 days and then slowly jack up the beam 1/4"increments. but remember if currently dont have damage on the upper floors, raising the beam could actually cause more damage, cracked plaster, doors start to stick etc. hope all this helps,Chris

I would take pictures of everything in detail (under cabinets and all as plumbing might be next for her if she's actually damaging things) whether she is there or not, and I'd bring a witness along if I could, record everything if not.

If he damaged anything, I'd simply pay for it.

After gaining a little more experience it seems the two most common problems with house are water damage from various sources and pets.

If they have been there for 5 years and the residence is clean and not damaged, why would anything change because of new ownership.