I have been deliberately managing it as a rental (ie, contract, collecting rent, etc.). 

The good thing about househacking a legal multifamily unit is that lender allows you to use the vacated units of 75% market rent as an income to offset the potential current mortgage.

I believe that within three years, rates will be much lower, and you can refinance.Another consideration is that once you get a property under contract, you should immediately shop around for better rates.

The new law in Oklahoma for wholesaling activity called "Predatory Real Estate Wholesaler Prohibition Act"states  that an equitable interest (a wholesale or assignable contract) can not be PUBLICLY MARKETED as shown below.

Regarding number one, while it may or may not be legally necessary (not sure), I think it's a good idea to have a separate account for each entity.

Generally there is consensus that DSCR Lenders can only offer a 1% prepayment penalty for up to 3 years in MI, but some lenders have recently reportedly been flaunting this rule - I would just tread carefully here in this area, generally not advisable to get potentially tangled up in a flawed legal doc with a non-sophisticated or fly by night lender

Right now interest is in the 6 figure.I spend a great deal of time on it with the contracts and accounting . 

This also leads owners to ASSUME simpler is better when it comes to management contracts.

An LLC creates a legal separation between you and the property, so if something goes wrong—like a lawsuit or debts related to the property—your personal savings, home, and other assets are shielded.

Get it under contract, ask for all the leasing leads, why hasn't this seller signed anyone?