"When I come over to buy your house, I will provide identification.

I cannot speak intimately about the Master Lease portion of this but 1031 identification period start 45 days from the sale date of the original property and 180 days to close on the next property.

The "V" in HVAC refers to ventilation.

That 45 day identification window goes quickly so you’ll want to maximize your ability to search for replacement properties. 

We always run the VIN #'s through the local police station to see if they are stolen.

I sent him an email asking to provide some form of picture Identification, but never got a reply back. 

Upon entering into a back-up contract, Seller will give Buyer a copy of the back-up contract with the third parties' identification and purchase price information obliterated.

Require they provide you with some identification prove they are the owner you see in the tax records.

A Payment Schedule should outline Payment Milestones, Amounts & Terms which describe the work that needs to be completed in order for the Contractor to get paid, how much the Contractor gets paid, and when the Contractor gets paid.Form W-9You will need to get a W-9 from the Contractor so you have the Contractor's Name, Address & Taxpayer Identification number which will be used for preparing Vendor 1099s for your Contractors at tax time.Proof of InsuranceBefore hiring a Contractor you need to make sure that the Contractor is carrying the proper insurance to protect your property, investments & personal assets.

@Charlie MitchellHi Charlie, I'd suggest searching other posts as there are quite a few threads on out of area investing, and market identification.