@Jake Holmes unless you know for sure that the fire department would take the trailer I don't think that's a viable option.

Give back the threat to sue them for your interest increase/difference on your transactions due to their unfair credit reporting, if they report it, you could call the bureaus and have it called off, then add that to the lawsuit, hire a credit repair service so you will have a paid invoice transaction. lol, all this for $100.

You can still be sued but your ability to operate effectively or defend yourself is reduced.It is not difficult to get authorization to transact business in another state and you should take that seriously.Message me if you have any questions.

Whoever closes your transactions can probably advise you.

The most important thing you can do is to be comfortable with your transaction.  

I have been analyzing several deals lately, speaking with local zoning and planning department and I need advice on this deal:Lot size:   2.7 acresLand type:  Residential (R3)Lot is Buildable for only 1 home (because of its size) which is what I was told by zoningBehind in taxes:  $800years behind:  3.5Title:  no other liens on title with the exception of back taxesOwner Motivation.  

Where would I find an appropriate contract and forms for these types of transactions?

There is no clear test as to how many house flipping transactions you must engage in a given year in order to trigger the UBIT tax.

My my/sell transactions were nearly 2M last year and that represents a lot of commissions paid. 

Need to allow time to pass, at least a year before seeking other transactions like a Sub-to, but understand doing a Sub-to means you need a quick exit, sell it and payoff the mortgage or refinance it as a lender can always call it due.