Many lenders also impose additional requirements such as owner-occupancy, and/or that one lender make all of the institutional loans in the building.- The CA rules seem to have many rules related to financing such as seller must include appraisal, no balloon payments before 10 years, etc.

Alternatively, if you’re using QuickBooks Online with a plan that includes the "Payments" feature, you can collect rent directly through QuickBooks while staying on top of your bookkeeping

They had an unfinished space counted as finished space increasing the size of the home by ~10%.

I've included an example below to help illustrate this.So different lenders have different rates (which do vary even for DSCR loans) but these are factors they all consider.See example below:DSCR < 1Principal + Interest = $1,700Taxes = $350, Insurance = $100, Association Dues = $50Total PITIA = $2200Rent = $2000DSCR = Rent/PITIA = 2000/2200 = 0.91Since the DSCR is 0.91, we know the expenses are greater than the income of the property.DSCR >1Principal + Interest = $1,500Taxes = $250, Insurance = $100, Association Dues = $25Total PITIA = $1875 Rent = $2300DSCR = Rent/PITIA = 2300/1875 = 1.23If a purchase, you also generally need reserves / savings to show you have 3-6 month payments of PITIA (principal / interest (mortgage payment), property taxes and insurance and HOA (if applicable).

Some of those included those previously mentioned windows.  

We actually CAN'T explain what we are seeing if we are operating on the "purely rational actor" hypothesis (as you implicitly observe), we MUST include highly irrational and emotional individuals to explain what we are seeing.- Investor uncertainty.

For your payout, I don't know the full story but Airbnb doesn't cover extra fees including cleaning fees.

There's a standard syndication that goes out to sites like Zillow, Redfin etc that is included when it is listed in the MLS; hence why people can find properties from across the country. 

Key areas with strong rental demand include Central Phoenix, Mesa, Tempe, Chandler, and the West Valley.

If the land is included with the mobile home, there are DSCR lenders that will be willing to lend up to 70% LTV as long as it is not a rural area.