Asking the Bank to finance the purchase price and the Seller to finance the downpayment is a non-starter. 

For starters, make sure you are working with a TK provider that is not just going to tell you all the pros of the marketplace and their company but also all the risks associated with the marketplace and all their weak points.

I built a nice custom a few years ago before lumber went nuts and other componants in Charleston sc historic district 2200sq ft  no garage  cost 1mil  to build plus soft costs plus 500k for the lots so in it 1.6  sold 2.2  so i get the nice spreads.right now in Oregon our semi custom product homes are costing about 150 a foot.. to 180 a foot.. to buildand in florida were we are building dingers those are running 100 to 120 a foot and used to be 80 2 years ago.and you know how cheap they build in Texas and OKC.. starter houses.  

For starters, tune in to the BiggerPockets podcast and connect with local lenders and brokers.

That's a non-starter by itself.2.

On top of that if your spending 65-70k I would assume your doing mostly cosmetics with touching up the mechanicals as needed which is a good starter rehab as well.

For starters, I'd recommend only mailing to people you've confirmed to be the property owner.

No communication in year 1 would be a non-starter for me given my lofty expectations…I’m mostly joking.

And while grabbing an owner-occupied loan is typically a non-starter in a standard 1031 transaction, this is a mixed use property that does include a personal residence portion. 

It's important to have a plan in place when doing a house hack, for starters: 1.