Would’ve paid for my mortgage easily, and I’m gone anyways!

For full protection, your mortgage company will likely still require you to carry a landlord or dwelling policy.

After those sources are RE agents, mortgage brokers, friends and family.  

Seller financing, subject-to deals (taking over the seller’s mortgage), or lease options can create terms that work for both parties.

The foundation was already approved, permitted and finaled years ago for a 3400 sf house, and its solid and I won't be building directly on the overhang edge; but rather back away from the edge a few feet to prevent any load issues all the weight will be on the longer sides of the existing footing.

We have bought loans like this from existing lender as well as refinanced borrowers into a new IO loan. 

Most mortgages say the lender has the right to buy homeowner's insurance for you if you don't prove you have it.

What I mean is, some investors look strictly at cash on cash return, some look at cap rate, others just want to make sure their mortgage is covered.

Have you thought about buying a duplex or other MF property where the renters can help pay the mortgage?

Of course there is upside to this as I can charge more rent but the property being vacant for two months also is it going to cost me around $1200 in mortgage payments as well.Another unit of mine unexpectedly went vacant beginning of the New Year.