You may even throw out some hypothetical situations  (in a phone interview) to see how they respond, their response will often help you know if they are truly experienced .Read the PM agreement you sign carefully.  

However, I am not familiar with FHA guidelines and I don't know if they will accept that purchase agreement under my company name with an assignment of contract from my company to the FHA end buyer.

If the tenant fails to perform, the landlord can terminate the agreement and keep the deposit as damages and move on finding another tenantIf you accept a security deposit and /or execute a lease for a future date and the tenant fails to perform at move in, your only option is to evict as there is a lease in place.

If you put a bid in on this property and go under agreement, from the sound of it, you have no contingencies that let you escape. 

@Joshua Sclafani - The LLC will only act as a protective wall for you if the properties are also owned by the LLC and the rental agreement are with the LLC.  

However, if that includes an operating agreement then I believe that $600 is an excellent price.  

I have seen joint venture agreements but don't know exactly how to set it up. 

I would even have my broker sign an agreement to guarantee that my loan would not get there.  

You are required to disclose, as well as use the registered name on all marketing material related to brokerage services, you may also want to have in writing a policy or agreement with your broker regarding compensation related to your wholesaling activity, I think you are getting into some difficult practices, be sure to have your ducks in a row

Purchase Agreement?