Never put all your eggs in one basketread the PPM and documents and have an attorney review understand what your investing in, fees and hold Timeunderatand their track record a lot more to consider those are just a few 

She found a PM through a friend in the building and they sent me the contract to review.

Loan Costs, Deposits, and Escrows: Origination fees, application fees, third party reports, legal, insurance review, title & escrow, rate caps (floating rate loans), due diligence deposit, rate lock deposit, standard escrows, etc.6.

My goal is reviewing retirement options. 

My suggestion would be to select someone with the most forum posts or most reviews.

PayRange seems less expensive, but customer reviews for users seem overly negative. 

The only other question I would suggest is that you do engage a property management company to review your quad and review your monthly financials.

Boosting your score doesn’t take long, and there are services that can review your credit history and help you increase it within a couple of months. 

We have been around the bigger pockets community for over a decade now and have more 5 star reviews on bigger pockets than any company on this website in any industry (>270 5 Star reviews).

I've got perfect feedback and great guest reviews on my STR but I'm better at running LTR.