Not sure if they are exempt from any laws regarding our entry.

PS most states have a small boy girl carve out IE as long as you dont hold yourself out as a lender and do no more than a few a year your exempt but if your have a business card  Jay lends money and you do a a bunch a year and your obviously in the business no matter what you call yourself you have to follow the lending license requirements.

I would not rely on Zillow to heavily I would get a tax cert and see what exemptions you qualify for but that’s a big jump.

Also, a state law went into effect putting a cap on "non-exempt" properties tax increase at 20%: https://comptroller.texas.gov/taxes/property-tax/valuing-pro...

Why not sell, since you have a primary exemption for cap gains, and buy a MFH in the city you like? 

Just a couple of thoughts, if you live in the home 2 of the last 5 years you get a tax exemption on the sale.

Also I am 100% Disabled veteran are both of my properties exempt from property taxes or just one?

HML are exempt from the rules you state.. those rules are for NMLS registered and licensed lenders doing owner occ or Freddie fannie backed mortgages..

This is an example of the fee structure in my state of PA :(some real estate transfers are exempt from realty transfer tax, including certain transfers among family members, to governmental units, between religious organizations, to shareholders or partners and to or from nonprofit industrial development agencies.

The securities exemption for multi-lender (fractionalized) loans is only available to CA licensed real estate brokers.