Try and get an idea where they are at with their numbers...like get a sample of a few properties and do the comps and see if the seller is reasonable.

I'm looking for a sample guide of, how i should structure a ballpark estimate based on the per SQFT. method for the Hampton roads area.I'm ok, doing a fixed cost estimate.

If you want to get more advanced, construction estimators use Uniformat (http://icee.usm.edu/dkemp/download/ACT380/Presentations/Supporting%20Docs-Samples/PDPG%20Docs/UniFormat2010.pdf) and Masterformat (https://www.edmca.com/media/35207/masterformat-2016.pdf) to break down budgets.

This is a small sample size of course, but I the area has a lot of potential (I do admit bias though as I love dutchess).

Security deposit amountYou can find plenty of examples by searching for "tenant estoppel certificate doc" or exchange "doc" with "pdf" for more options.Here is an example and explanation: Sample EstoppelSome have a lot of legal jargon but this document does not need to be so detailed.

So the sample size is 1. 

That flooring looks to be very common, as I am almost positive I have seen it before, you might take a road trip to Home depot and bring a bunch of their flooring samples back to the property and see if they match. 

Do you happen to have a sample of that contract?

Their sample deal is a home priced at $57,600 with rents of $777/month.

I'm not sure if that is sample bias though, as landlords who are selling during the eviction freeze may be more likely to have non-paying tenants than the broader market average.