Looks like a typical assignment agreement. 

One specific question I do have is, what do you typically do before you make an offer on a MH?

Listening to the BP podcast, I recall several people mentioning they have used them as well.How do coaches typically make money off somebody like me?

I am not sure if I over did the rehab on the house I was just asking people in the market how their BRRR's typical look.

Conventional systems will typically cost less than $20,000, but if an Advantec or other specially designed system is needed costs can reach or exceed $30,000".See Cesspools and the Rhode Island Cesspool Act Frequently Asked Questions and The RI Cesspool Act Goes into Effect 1/1/16: What Buyers & Sellers Need to Know (from which the quote above was taken).You will want to check with your mortgage broker, however, with whether the bank will have a problem with a repair credit that large.

Many of the problems are minor -- typical of a home just built -- but there are a few that seem important and hard to solve.

I would be willing to put 6 month’s worth of lease amount in escrow and pay the typical first, last, and deposit.

Typically, the problem of getting financing comes from folks who are "self-employed" but have income coming from all sorts of irregular activity.

Just make sure to draft an operating agreement.I typically see 50/50 deals when one partner brings the money and the other partner does the work. 

Starting out of state with limited funds typically isn't the best strategy, you might be better off learning in your current area and purchasing a house hack property, you will learn most of what you need along the way that way while having a place to live, in the worst case scenario.