What is the typical rental cost for the plot/site that the mobile sits on and do you add that into the renters cost?

GRM may be valuable to indicate value based on an Income Approach, but my understanding is that a Comparison Approach (comps) is typically used for 2-4 unit multi-family. 

I suppose I was wanting to understand what is the typical required hold time to show rent stability in order to get favorable rates at the time of cash out refi.

Key points are a) no bank qualifying (lease optionees usally have some money but damaged credit); b) low down (not a typical house downpayment of 10-20%); c) they can become homeowners.

So figure another $2K for advertising, hassle, painting and "other".Since I'd be re-selling it on my typical deal, I figure I can get $100K-$110 for it.

Insurance companies typically offer deductibles between $100 and $5,000 (I always get the highest).

Here's how that game typically went The "Investor" who had a 680 or better credit score qualified for 100% financing Stated income/ Stated Assets or No Ratio and for a brief time No DOC ( No verfication of income occurred with any of these programs.

., a "real" hedge fund and not something some hot shot with an MBA calls a hedge fund) you typically have to have a lot of dough....I mean a LOT of dough....But just Google some hedge funds and call them up & ask...or just check their websites.

I keep 6 months worth of typical expenses (including mortgage payments) in a cash management fund.

Typically I think it's 25% of the selling side.