The RentRedi customer service response is good.

Use a reliable customer relationship management (CRM) system to manage and organize your investor data.

Customer service doesn't even begin to describe this chain of events; this is guided missile level sales follow up and over the top attention to detail and customer attraction.

In general, when I've called Cobb County, I've found it really depends on who you talk to, some of the people there are knowledgeable and helpful and some really don't have a clue and are not very customer-service-oriented. 

everything is decent, but they have very poor customer service 

We've custom designed reports for clients before, so maybe your PMCs can do the same?

unless you're going to spend time, money and energy building a team, going to the market in person, and being thoughtful and patient, you will likely lose money. 

I bought a business where the prior owner was sued for $3 million causing injuries to some customers.

Gas + convenience store, where the gas sales are mainly a tool to draw customers into the C-store. 

The easiest way to do this outside of some sort of scraping tool (which i recommend digging into), is to develop a solid list of ways to look for deals (not just zillow or mls), and then develop a super specific buy box, then just create custom filters with notifications where applicable, you can also use a VA to look through the various acquisition methods and send you a vetted list every day.