Where single family rentals weren't exciting to me, building and developing land and redeveloping old spaces really intrigued me.

They have a variety of machines that feature multiple games and are compact enough for most spaces.

https://www.renterswarehouse.com/rental-listings/39331Now on this listing an important feature to it is the size, not just of the property but the lot, the feeling of big, space, and of semi-secluded.

My experience says that the smaller the industrial space the greater the demand. 

Seems like “Vegas” attracts the less than honest hustlers   I see it in the PML HML space you see brokers with NV address's but no NV mortgage lender license those are basically fake lenders full stop .. since its illegal to be located in Vegas and lend money with no state license at least on 1 to 4 units. could be they use NV LLC for the perceived privacy that state offers kind of like WY ?

Quote from @Jacob Hrip: I have read this one years ago and it is a great book by a very successful guy in the space!

Thanks Bill, my biggest concern is the space for the Washer and Dryer isn't big enough.

If you find a separate habitable space, the ADU cost is significantly less.  

The definition of “livable” or “finished” space can be surprisingly specific.In many markets, including here in Arizona, appraisers and agents generally want the space to be finished in a manner consistant with the rest of the home and serviced by a more permanent heating and cooling source.

In small spaces I have occasionally put stackable ones.