Many cities allow short-term rentals of primary residences as long as certain conditions are met, such as obtaining a business license and meeting safety requirements.

I'm learning the BRRRS method and want to obtain my first rental property soon. 

. * What is the typical cap rate (expected returns) on a MHP in the area* What cap rate/returns are YOU wanting* Obtain a copy of the past 2-3 years financials from the owner, to get an idea of actual income/expenses.* Verify the "legal non-conforming" status of the MH's.

This is because the Schedule E is obtained independently, and few people would inflate their rental income in that form (and pay more taxes than they should).  

Focus on establishing relationships to obtain the funds to do your own fix & flips and/or buy and holds2.

The area will determine the quality of tenant you can obtain. 

Secondly, make sure you can obtain a warranty for the installation.

I was able to finally purchase the list but obtaining owner’s information is difficult here where I am (CA).

If you are someone with a few properties under your belt seeking for more real estate specific knowledge some of the books on bigger pockets might be a more economical way to obtain real estate specific knowledge. 

The existing loan I obtained 6 yrs ago was a DSCR loan with a one year ARM - no prepayment penalty, that is coming due in October.