He compares that to cold calling, where he was getting better results.

., with high appreciation, you can use cash-out refinancing to buy additional properties with minimal additional capital from your savings.Lasts throughout your lifetime: For your tenants to continue paying similar rent, they must remain employed at comparable wages.

This is distinct from the BiggerPockets professionally produced blog content. 

I used to work in the area, not personally investing there, but I have helped handfuls of investors secure financing in Dutchess and Ulster counties, I do know it’s seeing some heightened interest from investors due to its proximity to the ever-expanding NYC and relatively lower property prices compared to alternative areas.

I would do some research on comparable properties to figure out the best pricing. 

Take for instance my B+ located quadraplex consisting of 2 Bedroom units in Philadelphia that rent for just shy of $3,000/m and compare my building to the nearly identical quadraplex building in a C location in Philadelphia were the rents are $1,200/m. 

So, for foundation, electrical, plumbing etc I would assign very little additional value over the comparable remodeled properties.

I know nothing about Airbnb's so considering an Airbnb compared to a lease on a SFH.

It’s not a bad idea to get a quote from them and then compare it to somewhere else.

The fee should be relatively small compared to the investment in a meaningful direct mail campaign.You may also want to chat with a few title companies about what kind of transactions they'd be comfortable with.