Rent and prices vary depending on location, size and amenities.

Markets that are touching eachother can be 180 degrees different.Also, REI comes in many sizes, shapes and colors.  

. ;-)  However, any walls, or floors/ceilings, in common with another unit will need to be fire rated.The first thing is to check your zoning to see if a three-unit property is permitted under current zoning and whether the property (building and lot) satisfy the sizing and coverage requirements for a three unit property.If zoning allows for three units and the property satisfies all requirements, then you can turn your attention to resilient channel, fire-X sheet rock and closets on every wall .... 

I own a medium sized apartment complex in Houston and I am looking for recommendations on good property managers.  

Tiny houses aren't just about size.

For example, around here, some cities allow replacement of windows without permits as long as the new ones are the same size as the old ones.  

What are your secrets for supplying everything from king size beds to pizza cutters and everything in between, without breaking the bank? 

Comps for units this size in the neighborhood are renting out for $1500-$1800 each.

Some cities and counties restrict by age, size, etc. 

Give us a sense of : Zipcode, Sq/ft, size of lot, and age of existing building.