Most all of these will create some sort of dust or flaking that needs to properly handled and disposed of (I.e.

Continue to be learning based and open to making mistakes and making the proper corrections.

Farm leasing (pros: simple contract, makes sense for both parties | cons: not sure if 16 acres is interesting enough for sharecropping, no known resources to get the proper individuals to lease it out)4.

Proper paper workMy questions do reach beyond these topics but I'm trying to not make this out to be super long. 

He may not actually have a license and in that case he can't collect anything and could be subject to sanctions imposed by your state for contracting without the proper license.

I got an estimate for $1950 to properly dispose of this material in the DC/MD area.

Keep it simple and buy it in your name, with the proper insurance in place.

Stop thinking selfishly, the sooner we find the carriers and isolate them, get our medical supplies in order, learn proper techniques on how to avoid getting sick, the sooner we go back to normal. 

While setting up a company is not absolutely necessary to do maintenance on properties I own, it (along with the proper licensing) allows me to do work on homes I do not own.  

The 'proper' way of fixing this is to remove every speck of this old dangerous wiring and replace with new 3 wire with proper ground.