I’m concerned that holding this note may prevent me from closing on future deals due to DTI ratio.

Future risk is always a concern however never a value in an appraisal.  

I am contacting you to formally request validation of the alleged debt concerning this account and to inform you that I hereby dispute the validity of this debt.

Generally speaking, I have not seen underwriters look too deep into occupancy concerns related to second home vs investment property since Fannie/Freddie installed new LLPAs a couple years ago that make the pricing for each aligned in most cases.

We came into land from doing mobiles, rehabs and now do a few modular projects each year. 

Fairmount is a newer entity which is a little concerning.

This is a real concern, especially in competitive markets.

Think about beach equipment rentals, mom and pop restaurants, maybe a mobile chef or masseuse, etc.

Another option if you're concerned about not being able to sell as a portfolio, or individually.

Most glaring issues to me are:- DWV pipe leak- Some outlets aren't grounded in both unitsWhat are things you've seen in the past that were real causes for concern/concessions in closing the deal?