We'd get a CONH and all of the tenants are long term tenants. 

The background check was clean, he had a good score and great income.

Any good property management companies that are full serviced that the forum suggests?

Things will get “complicated” if you try to buy more than 3 replacement properties.I don’t see a problem with her renting you a space in her commercial building as long as she charges you “fair market rent”  (then she could leave the property to you at her passing.)

Side question: How can you help ensure a good, timely, mistake free lending process? 

Trying to keep a long story short here.

New Jersey has some of the worst wholesalers by a long mile.

Looks good.

Good luck with your investing journey.

While multi-family units are a great goal, finding a new construction townhome with low interest rates in a good area is a solid opportunity.