Most contracts I've seen (from a variety of states) tend to be 8-14 pages and a few more for addenda. 

She frequently posts on her blog with number on how her Airbnb is doing.

It's super informative and the variety of guest speakers all drop some good knowledge in some form or another that'll help you along the way. 

We frequently provide value to the forum by answering questions and posting updates to the tax law as they relate to real estate. 

I currently own 9 properties/ 10 units which have been acquired both on and off market though a variety of financing methods. 

There are several knowledgeable and experienced CPAs who are frequent contributors on the forums.

I have sold on land contract frequently and like the model.

that question comes up frequently and a lot of BP members will chime in on how they think you can sway the wife.. its a matter of balance.. my wife is a real estate broker so not so much of a challenge here.. but we own no rentals. as we both cant stand tenants..

Can someone that frequently does this explain to me how it works?

IMHO, which is frequently wrong.