Getting funding on a ADU conversion is easier but a new build is a lot harder (I had to call 40 + banks until I got someone who would lend me a 3.625% construction to permanent loan).

Construction-to-Permanent Loan: This type of loan combines the financing for purchasing the property and the construction costs.

The only segment that will match this requirement is a subset of the segment I named Permanent on the above diagram.

@Victor Morgan if the home is/has been vacant, your mortgage company should be okay with you getting a builder's risk policy for the vacancy/repair period, to be replaced with a permanent policy after that.If it is not or won't be vacant, then you should still be able to get it covered.

Many times some leasing brokers sneak in a Perpetuity clause where they get paid essentially forever on month to month , renewals of options, new lease agreements, etc.It can be bad for an owner to agree to such terms because the potential buyer later on sees it as a permanent obligated ongoing expense with that tenant.

The mobile home is located on a street with other (permanent) residential homes.

Some of my single family rentals located in lower middle class areas are most likely permanent rental houses.  

As a nurse at phoenix children's we saw a fair number of near drownings where kids were permanently disabled.

It will be valued as such by an appraiser if there is no permanent structures. 

That's a 100k equity spread.I don't know how long interest rates will remain high, maybe 1 year, maybe 5 years, but nobody believes these rates are going to be permanent.