You should seek out a business attorney located in your state to discuss the licensing requirements of your state, as well as how the definitions may apply to your particular business.

It only applies to 3- and 4-unit properties (not SFRs or duplex) bought using FHA financing.

I will cover each of the above criteria below as they apply to Las Vegas.The Problem with ROIROI and similar measurements only show how a property is likely to perform today but real estate investing is a long term proposition.

Hi Ray, im not sure if I should apply for a loan yet because I don't have any down payment cash.  

It only applies to 3- and 4-unit properties (not SFRs or duplex) bought using FHA financing.

The only part that doesn't apply to the Phoenix area is a C property would cost more than $100,000, unless it was a condominium.

How this would apply to you is you would know what the landlord intended to charge you for.I guess this is not nation-wide, but the standard in CA is paint should last 3 years. 

That exemption doesn't apply to houses...builders pay sales tax too.

But, it depends on the city. if you applied for permit already (of course, you're changing panels), you need to ask the inspector, they are going to catch it anyway.

Depending on your location some of the rules won't apply.