In addition, the code enforcement guys may try to come after you.

After working with them, seeing their code base, and getting to know their development practices; I can confidently say that I will NEVER use any Intuit product for personal or business purposes. 

That is the 33629 Zip Code.

I'm currently mailing every single NOO house in two zip codes with 30% equity or more and also mailing all owner occupied in one and a good % in the other.  

This could be anything from termite damage to problems with the foundation to electrical wiring that is not up to code, etc.

I did a search for Texas under the SIC code for mobile home site operators and it returned 743 results.  

It all depends on the level of build out and the materials/techniques used in construction as well as your tax rate.A forensic engineered cost segregation study has to be done by a construction engineer or architect with knowledge of the pertinent tax code, construction techniques and estimation procedures.

Take a look at Code Sec. 121(b)(5) for more information. 

Carbon monoxide detectors are code in many cities.

I'll look into Credit Report rules to see if they will allow me to run credit reports on someone else's behalf.As far as CA is concerned, that @Sarnen Steinbarth linked to, I read through it, i didn't see anything that would make me believe that screening tenants on their behalf would be in violation of real estate broker code.