Structural (brick) changes/repairs could increase these costs.Knob and Tube Rewiring: Rewiring a house to replace knob and tube wiring is indeed costly, particularly for a complete job.

I know what this person's job is but I am just confused about where I can find one.

In talking to others, not only in the field of land flipping, but in other real estate niches, this is a common misconception and delusion. 

If it's just a job that brings great cash flow, then yes you blend in with all the others.

If expensive properties aren't yielding positive cash flow, which is common in hot markets like Fairfax, and if you've found cash-flowing properties in less desirable areas, it's crucial to navigate carefully due to potential risks.

Also, focus on 2 years of job/income stability.Class D Properties:Cashflow vs Appreciation: Typically, all cashflow with zero or negative relative rent & value appreciationVacancy Est: 20%+ should be used to cover nonpayment, evictions & damages.Tenant Pool: majority will have FICO scores under 560, little to no good tradelines, lots of collections & chargeoffs, recent evictions.

I have a net worth of ~2-3M in the form of a primary, secondary home, a rental property, and savings/CD accounts and a W2 FT job.

I'm very confident in this area long term, we have population and job growth, and lots of development projects.

Naturally it's hard to hire someone to do a job you don't know how to do yourself. 

Or when you quit your high-paying W2 job and become a full-time investor.