For example, there'll be costs for Title/Escrow, lender processing/closing fees, and even origination fees.

I did all the work myself pretty much which is why it took so long to be completed, but I saved a lot of money and learned a whole lot in the process.

A clear misunderstanding of how the process works. 

A management company will be able to market the home, push the listing to all the rental sites, process applications, and have a lease for you to use. 

You are only getting charged 1 point + about $1200 in UW/Processing fees.

He has a very diligent vetting process.

They talk a huge game, grow to the limits of their competence (and then far beyond that ) and then implode, taking whoever they sucked in with them.

Since I am not using a lender during the escrow process, what are the checklist of things to consider once a property is under contract?

You will learn a lot through the process of adding value to their business + you may end up getting hired. 

@Tsering Lhamo many PMCs haven't updated their processes to collecting Holding Fees - NOT deposits.A deposit is refundable and very difficult to liquidate for damages.A Holding Fee is a fee, so not refundable.You need to understand what your PMC signed with the prospect.