I have seen all sides of this equation, self managing my own properties locally, but moved with the Navy 1000 miles away and managed the same rentals from afar, and had friends here in Memphis that had 18 properties and had them all with PMs with varying levels of success, some bad and some great.Self-managing brings about an additional level of responsibility that most of the time is fine, but that is not what you hire a PM for.

My biggest challenge right now is finding a property management company that offers rent-by-the-room leasing services.

In my mind, revenue management is the most difficult concept to master.

Quote from @Nithin Thampi: Is there any site, company person I can pay to analyze a game property from a property management company?

Along with the difference between studio/1br and 4+ bed properties. 

One of the most important steps you can take as either a startup landlord or seasoned one is to use a platform specific to property management as it will elevate your operation and save you tons of time.The good news is that nearly every software designed for landlords includes these features.

To answer your question, you can use AirDNA or another short-term-rental income analyzing website or software.

For on-market properties, sure use your current broker. 

I'm starting a property management company and I'm curious to know how people have marketed themselves online.

Capital ExpendituresNo Property management because I manage my own.