I thought I'm just bringing the deal to the investor, and if he closes, collected my fee?

Google only recognizes a word after 5 impressions... this is why websites are so repetitive, especially blogs. 

It's not just sitting back and collecting rent checks.

It appears to be that their focus might lean more towards collecting money rather than providing substantial support and outcomes.

When I did underwriting, since a portion of the insurance costs and property taxes are collected at closing, I reduced those from the first year of expenses.

Rents probably decent, but maybe some occupancy or payment/collection challenges I would expect. 

While they are good communicators, experienced with Section 8, and their software for rent collection is solid, we're increasingly concerned about a few key issues and would appreciate input from anyone with similar experiences:Turnover Fees Transparency:The turnover fees seem high, and despite our requests for itemized breakdowns and man-hours to justify these costs, we feel they may be taking advantage of our out-of-state position.

That was the impression I got as well at a glance.

In the last few days, there have been new flooding issues due to the amount of rain collecting into drainage streams, rivers, swamps, etc.

You can collect your management fees in an S-corp for tax savings.