Best to seek counsel from your attorney and tax professional but if you are going to insist on saving a few dollars, best to provide more specifics on the type of partnership you are contemplating so you can get your hands on something that's remotely relevant. 

You are dealing with professional property management companies.

Careful planning and strategy selection are crucial when starting with an investment of $20,000 to $70,000 and trying to replace a $7,000 monthly salary.

I would only consider this if they can demonstrate they are a professional company with a long history (operating 5+ years would be my standard), and if they are willing to make it financially beneficial to you (higher rent rate, they handle maintenance, etc.).There are a lot of "businesses" that started recently that have no real experience, meaning they've only operated in a strong market.

Also, where can i get those contracts, can i just go on document template website and create it there, or should i find them as official documents from the county/contracts approved by professionals like attorneys? 

I have been looking at properties sitting on the market for 45- 120days and some of the realtors seem to not care.

Do you think I should talk to a professional CPA who specializes in real estate to get the best time frame on when and how to so? 

Get your home tested by a professional in your area. 

What about lawn care in summer and snow plowing in winter? 

Network with other professionals for insights and potential deals.