My thought Scott since BP is basically the gold standard with their training courses and we know how popular wholesaling is for beginners and BP having a lot of those starting their journey when you have your training events and such you separate BP from on line Guru's that will just tell you wholesaling with no rules is legal in all states.. which its clearly not.

In most states there is protection in your primary home through the homestead exemption, your investment properties must be in a separate entity.  

Are there separate gas, electric and water meters for each apartment?

I use a separate email dedicated for mortgage business and a PO Box for all investment business mail that I check weekly.

I would have thought San Francisco is oversaturated with STRs, but that's what several people are doing, buying primary residence and house-hacking a separate unit on AirBnb.

This is NOT Business Credit.By establishing a separate corporate credit profile on the EIN Number (separate from the business owner's SSN/FICO), investors can access substantial business credit lines, capital for property acquisitions, and renovation funds without personally guaranteeing the debt.This approach creates a powerful financial firewall between personal and business assets while potentially generating a significantly larger (ROI) through reduced interest rates, increased borrowing capacity, and the ability to scale investments more rapidly.The education gap surrounding EIN corporate credit means savvy investors who understand and implement this strategy can gain a significant competitive advantage.

The tenants are currently in court with a title dispute so the house would have to be paid for cash only.I would like to convert it to a primary residence and turn the garden level into a separate two bedroom apartment for use as an in law suite.

The sale of the business would be separate. 

Each project is a separate LLC legal entity and is independent of the others.

Quote from @Dalton Summers: Hope this helps. https://codes.ohio.gov/ohio-revised-code/section-4735.24(A) Except as otherwise provided in this section, when earnest money connected to a real estate purchase agreement is deposited in a real estate broker's trust or special account, the broker shall maintain that money in the account in accordance with the terms of the purchase agreement until one of the following occurs:(1) The transaction closes and the broker disburses the earnest money to the closing or escrow agent or otherwise disburses the money pursuant to the terms of the purchase agreement.(2) The parties provide the broker with separate written instructions that both parties have signed that specify how the broker is to disburse the earnest money and the broker acts pursuant to those instructions.(3) The broker receives a copy of a final court order that specifies to whom the earnest money is to be awarded and the broker acts pursuant to the court order.(4) The earnest money becomes unclaimed funds as defined in division (M)(2) of section 169.02 of the Revised Code and, after providing the notice that division (E) of section 169.03 of the Revised Code requires, the broker has reported the unclaimed funds to the director of commerce pursuant to section 169.03 of the Revised Code and has remitted all of the earnest money to the director.