Credit is fair but not great, I have access to a strong co-signer if I need to.

Based on the numbers, the sellers price is too high, their interest rate is too high, rents are too low. 

I have about 10k and great credit to get started.

I would approach local banks and credit unions first.

:)I am looking for any tips on how to go about getting the green light on getting funded for my first of many fix & flips, I started a LLC a few months back and my credit score is pretty low as I’ve broke both my legs over a period of time.

I have a car payment as well and around 10k in credit card debt.

Make low offers.  

The rise and rise of house hacking might keep rolling considering that housing remains unaffordable due to high prices and low inventory resulting in an upward pressure on millennials headed for creative solutions like house hacking.Even though stylish nowadays, not only is house hacking in fashion but also bears enduring benefits like creating a property ladder, passive income generation, and financial freedom attainment.

What documents do they require, what credit scores do they allow, how do they verify previous rental history, etc.?

A robust rental market with low vacancies and excessive demand is good for house hacking, while historic belongings appreciation rates can upload to the overall return on funding.