This is where I got started and bought my first house-hack and now I am a serial BRRRR investor.

You can use petscreening.com to handle this task for you and ensure you are compliant, but I still recommend you really understand the law so you can answer questions or assist with requests. 

I like this.

I have done this several times.

This is sometimes called the "Enemy Method," and you can search for more details.3.

Do you have any templates or tips I could possibly use to help me get started ?

I know from experience financing additional tiny homes (not sure if you're looking to do this) can be difficult without having someone that has previous ground-up construction experience.

I have 8 properties and 31 doors a W-2 and several other investments and my long term accountant charged me $1600 this past year.

Most in BP, from many responses I see do not have to ability to navigate this.

They say we will be better off working through them, with the developers they have approached.Are we better assembling ourselves and working with a developer(s), rather than going through this middle man?