Yes, I think, like a lot of topics that get passed around real estate circles (like 0 down physician loans...which I have never ever seen one actually close haha) there are these mythical products that people don't realize may only exist at one small bank in one small corner of the country and not actually be available to most.

* no public interest/demand for such services for them to exist?

However, the fact that it was an existing structure with utilities and plumbing running to the garage made our lives significantly easier.Existing 2nd Story Crash PadZONING AND PLANNINGWe’re located in a suburb of Boston where ADUs are allowed by-right… except if the structure is detached from the main building 🙄 which requires a “special permit”.

It doesn't exist.   

Martel10% down DSCR loans do not exist.

just now the bad people are trolling the smaller investors trying to get 500 to 1000 bucks out of them.. and I am sure many lose those dollars .. going after things that don't exist they just don't realize they don't exist.. 

What impediments exist that keep women from enjoying real estate and financial freedom?

The zoning will define the permitted uses (this will tell you if you can have an RV/Boat storage there) and it will define the density (this will tell you how many tiny homes you can add).You'll want to make sure you don't conflict the existing duplex to a new use or mixed use where you might put the existing use out of compliance. 

I am building a vertical addition above the existing main level which would have vaulted ceilings OR alternatively the front half would be vaulted and rear where the bath/closet is situated would have flat ceilings with rooftop deck above.    

There is no need to sell the existing property without a 1031.