And that would not be covered with normal lenders.  

Because of those concerns I think that a modified Brrr makes sense so that acquisition and rehab is covered in cash and ending with a low debt to income ratio.

As such existing properties are often grandfathered in with their existing footprint, even if current zoning would require a smaller one due to lot size.

Where can I learn more specifically about wholesaling probate properties (or pre-probate)

(complicated but here's a long explanation :https://cgbarbeau.blogspot.com/2024/02/fha-self-sufficiency-... ) When a property is higher cost the rents don't cover the PITI for all the units.DCSR requires 10% down and property rent ready.

Often the HOA Master Policy covers some or all; you/your insurance pays the HOA deductible; the lower unit pays for any upgrades they installed.Water damage that presumably occurred over some period of time could very well initiate mold growth if it was not promptly and properly dried out.

And @Bruce Woodruff is correct in that we have to cover our expenses.

Second: You will need C) Executory agreement (add clause that if you default on the payment, seller can take back ownership D) In addition, a purchase an sales agreement reflecting the subject to the existing mortgage note, under the seller's nameGet title insurance with the seller as a secondary in addition to the insurance already on the property.The purchase agreement reflecting both the equity payments and mortgage subject shall be executed and held deed to property, via this hybrid transaction be transferred into the buyer name..The deed, instead of being recorded at the registry, triggering a potential risk of a due on sale clause, shall be held in a mutual accessed safety deposit box along with the executory contract.

I assume there are existing rentals in the area?

All maintenance for the first year is covered under the builder warranty and everything is so new your CapEx will be super minimal for a long time.