Is the title company liable for any "damages" considering that pushing out the closing on the loan will require either the mortgage company or myself to incur some cost in extending the interest rate lock.  

To me that all adds up to more time and stress on managing my tenants, and potential cost on damage or wear and tear.

. $1500 lesson after the water in the ceiling damage)2.

Personally I think the strategy is great with regards to rehab, and I have bought a house before with a credit card, but I also had a ton of liquidity and lots of simultaneous projects and it just made sense - and I didn't pay any interest other than 1% to do an 18 month no-interest, which gives me an effective rate of .667%, or just about free. 

You'll have a much different tenant base (think collection rates, vacancy rates, damages, etc.) and a much different expense profile. 

Hello BP, How do you go about dealing with damage to the property that is caused by the tenant, but can't be explicitly "proved"? 

The tub was the type that also had the side walls as one entire piece so along with the tub that was cut out was the walls as well.I contacted the home insurance and was later told that they were unable to cover any costs associated with the replacement because it was considered "over a period of time damage" and not sudden.I was well aware of how to demo all of the old tub and to clear out the area but after that my youtube education began.

Since this is a valve issue you as the property owner need to replace this soon before it damages the ceiling of the unit downstairs and depending how deep the valves are sometimes it requires to break the walls to fully repair the valve pipes and then yes you will need to repair the wall after plumbing is completed.

What do you typically install for countertops in rentals that is durable, cost effective, and can be installed in a timely manner?  

He estimates that I can use bonus depreciation to get effectively $900k of depreciation in the first year.