There are more details here if interested.I will not tell anyone to do or not to, that is a choice that you will have to make and also it is a choice to work it or not, like any system.

Regardless of what you think you will it rent for or ask per door its irrelevant. 

We were then able to turn a garage into a master bedroom and a laundry room into a big bathroom.

Property details: 3 bed 2 bath both sides with attached garages, aluminum siding, copper plumbing, 1972 construction, separately metered, all electric water heater, range, dryer, public water and public sewer on a slab foundation in a great school district right next to brand new construction everywhere.

It was a sacrifice that paid off because him and his wife are The Millionaire Next Door (literally). 

From my experience, attending local meetups, lending-specific events, and networking with experienced investors can open doors.

There are many horror stories on collecting for damages from OTAs including a current thread on BP where guest left doors and windows open upon exit that resulted in frozen pipes.  

Since you plan to theme it and didn't put a number to that, lets just say $75,000 conservatively, including garage, bedrooms etc.

Rick, I am preparing to convert a detached garage in Anaheim into 2 bedroom ADU.  

It is VERY important for all of us including BP to constantly raise the bar in our industry and stand guard at the door of our wallets so we all can literally have bigger pockets!