@Paul the A stands for Accessory not Affordable, I guess. 

Paul and I have been creating accessory apartments and been involved in construction for over a decade.

There is an accessory dwelling unit, which I intend to rent out.

Here are my options:1) Build a detached accessory dwelling unit (ADU) in my backyard. 

(Accessory dwelling unit).

Hi All. I'm a real estate investor and currently own one property. Looking to purchase more in the future for passive income. I have been reading news articles recently about ADU's and tiny 3D homes. I just wanted to ...

Nice university and yes - you could either purchase or create a duplex in your price range - and maybe even add an accessory dwelling unit for your tri-plex concept.

I am looking to refinance my  rental property which is a single family home (with an accessory apartment). 

Some examples of data sets you can layer:Property:Property age - used to target older properties for heavier fixersProperty types - SFR, MFR, 5+, all kinds of commercialSize - adding on to the existing structure to add value or accessory dwelling units Location - highly desirable neighborhoods or locations of expertise around specific builds or neighborhood ZoningVacant propertiesOwner-occupied vs. nonowner occupiedPeopleAge of ownersKids in homeSex of ownerIncomeNet worthInterestsMortgageTransfer datesEstimated equityDifferent transfer typesForeclosure activity (NODs, auction sale notices, etc)Then, hopefully, you're taking out people who purchased recently since (probably a waste of marketing dollars), people in foreclosure (different strategy), sites that are listed as vacant. 

Since we don't allow them to paint, screw things into the walls and make other modifications, giving them a neutral backdrop allows them to add the colors they like with accessories.