How can I do this and protect myself from any new liens being placed on the property before I complete the rehab and exercise my option?

The tenant is probably complaining about the management company enforcing the lease in an effort to protect your interests.

I have capital, expertise in remodeling and good ole sweat equity to offer! 

This will not only protect the asset held in said LLC, but also other assets you have in your name or other LLCs.

To put it nicely, He has acted difficult.He seems to act as if he’s a know it all instead of listening to facts expertise, and reasoning.He also needed an additional partner with  which I connected  him with, Izyk Dudz but has been very uncooperative  with him as well. 

It's simply for asset protection purposes.

@Jed Devine Leaning that way myself, with the various personal assets protections, thanks for the response.

That can be an issue.If the new investor needs such a small amount of money that shows the lender their level of financial expertise.

A good contract will impose performance standards that will protect you in that regard.

When you are putting a house under contract how do you ensure that you have all the appropriate clauses in the contract to protect yourself?