There is less risk when you don't have a mortgage, that part is true, but it is not as if there is no risk.

Written notice must be delivered by either party prior to the end of the month for notice to vacate in one months.

marketers and sales folks make fee's for putting two parties together

If pressed, tell the writer that since he/she assumes the right to tell you/us what we should do (as a third party...having absolutely no connection to this), that must in turn give you/us the right to tell him/her to also take no income and receive no relief in expenses equal to what he/she says you/we should be taking.The tenants are just as responsible for making the payments to retain their homes, as REI are for making the payments needed to provide them these homes.Since in his/her own words, these tenants "deserve a place to live", why not put their money where their mouth is...and provide them all a place to live in his/her home...for free of course.As a noted scholar of many decades once said, "what a maroon" 

I'm not sure I follow, why would a court give you title over the other parties? 

However, you’ve got to make sure that the economics worth for both parties.

Since they have to split equity and neither party usually has the funds to be able to buy the other one out...

I also know it allows a thirty day out for either party.

I think owner finance loans are great and allow both parties to get what they want.

@Stephen Rager Banks don't just give out loans on blind faith... so they charge for a 3rd party appraisal, check credit, verify income, and approve or decline the loan.