Between blogs (and vlogs), podcasts and books, there is a ton of information available and since you already have experience you can tailor the knowledge you are looking for on your own rather than forking over a ton of money for what will inevitably be a broad overview and an up-sell.

Real estate exams are supposed to be comprehensive and difficult for a reason.

Please feel free to peruse all of them as I'm sure it will give you and other BP'ers a much clearer overview of "FACTORY BUILT HOUSING" overall.Albeit I'm in California I've found that so many states use close tothe same industry standards so for reference these should help.

I use it in combination with mls comps---some comps on Z are not on mls.It's a one stop shop for a quick overview.

Because I understand both the on market and off market options I can provide more information and more comprehensive service than most realtors or direct buyers that specialize in their own niche.

I need some type of template for each house.I want a quick overview of the properties like - purchase date, amount paid, a picture of the house, rent amount, date rented... etc.Do you know where I can find a format like this? 

It is the most comprehensive calculator I’ve found. https://www.nytimes.com/interactive/2014/upshot/buy-rent-calculator.htmlI pulled numbers from HUD for average appreciation and rent increases so I wasn’t just guessing (too much).

There's a guy in my market that has excellent market comprehension and he flips 20-40 homes per year, almost all off of the MLS and he KILLS it. 

Not sure which one to use.....Which is the best, and or most, comprehensive service out there?

In Saudi Arabia, foreigners are not allowed to own property in Mecca or Medina).The Global Property Guide provides summary overviews of foreigner access to real estate for most countries.