This isn't inclusive but should give you a good start.

Any sort of transfer, including selling subject to, wraps, all inclusive trust deeds, land contracts, options, and leases longer than three years all trigger the due on sale clause.

Some courts have interpreted  the inclusion of a  'pet deposit" to be the sole remedy for the landlord!

I've heard of doing an "All Inclusive Trust Deed," where where the seller retains their current mortgage and issues us a loan for the total purchase price.

I'm surprised that the woke mob, with their strangle hold over CA, hasn't changed all these terms to be more """" inclusive """".   

Maybe in the future an all inclusive would be a better option

While this list is not all-inclusive, it gives a good overview of the differences between normal wear and tear and damages.Additionally, courts have also ruled that the length of time a tenant has occupied a property must also be taken into consideration when accessing damages in regard to deductions to a tenant’s security deposit.

If he is indeed bringing the note buy to the table and doing one all inclusive closing then that's another matter..

There are quite a few differences in amenities, STR type and availability, HOA/COA inclusions, etc. 

In the second example, he would be the lender on a new loan of $100K to you and continue paying on the $50K while pocketing the difference over time.The most common way to "wrap" a mortgage in Utah is with an All Inclusive Trust Deed & Note.