I did two home inspections per week and earned a salaray over $42,000 in side income while working my 9-5 at the factory job at the same time. 

As you say, the VA is the main employer, as the furniture factories shut down years ago.

A big factor is whether you will buy in your own name or in an LLC.

replacing the valve assembly is not required, and if you do, you will have to cut sheetrock under the plastic box as this is how they are connected from factory.

I know you want a dollar amount but that depends on the market you are in and the class of property you are working on.To give you a perspective that you can relate to, a factory worker with a moderate skill level as say a machine operator will earn $10/hr.

My daytime gig is buying/liquidating industrial parks and factories.

And this was on blue collar salaries, factory work. 

Wholesaling is a constant factory of marketing, processing leads, making offers, selling properties, managing transactions and dealing with the hiccups that occur with this.

A factory?

In a Short Sale the major deciding factor is the property Value.