If you buy a property for $7K does the cost of repairs it needs make it worth doing, meaning: can a neighborhood where properties go for $7K also have comps to support the value for a finished house that's priced at an amount that makes you any profit?

I am repairing the customers ceiling but at the last minute he wanted to fix the roof before the ceiling. 

Knowing your renovation and after repair value is critical to landing these deals. 

Lastly, if I want to become "B" in the scenario as an investor, what are some of the techniques used to find "A" seller and "C" buyers quickly and promptly, in order to arrange the transaction?

He informed you that you would be charged for the hole patching on the wall, which you didn't dispute or offer to repair yourself.

Repairs and expenses are deductible, but you only get back the taxes you would have paid, so you are spending a dollar to get back a quarter.

Once things begin to break or the buyer finds out about costly repairs they will be angry with you and wonder why you did not make them aware of it.

I was able to repair my credit enough to qualify for a new VA home loan.

Jason, it is an alcove studio in Battery Park City (so a doorman building) and while there have been minor repairs (replacing broken appliances, spot repairs to the parquet floors), as far as I can tell the floor, bath and kitchen are all 80s originals beyond those small updates.  

How does it say that repairs will be handled?