It might because they don't want any random person just setup a property management software to make it look legit and using it to scam people (tenants)

I had hoped to set this up with PNC since I bank with them but an in-person visit to the branch is required for set up and this is not possible since I now live in Washington state.

I have found ChatGPT to be particularly useful for testing new Book Covers for BiggerPockets, such as our foray into the personal fitness category with upcoming title "Sweat for Life": 

Caution:  Personal credit card financing is a huge risk and good luck finding 0 percent interest today.

It's not a personal sale between you and your son, but rather a sale from one LLC to another.

I would start close to where you live personally. 

Buy it personally, and rent it full time to my C-corp?

Another popular option is AgFirst but I personally have had a hard time getting responses from them.

Have you calculated what your (monthly nut) is you need to survive business wise and personally?

The voucher is the most that Sec8 will pay for that person’s rent regardless of where they rent.  2) The second part of the Sec8 equation is the market rates for specific neighborhood’s and property types (SFR vs apartment, # bedrooms, # baths, utilities included vs paid by tenant, etc).