Quote from @Andrew Burrell: You can usually set up an LLC yourself or use an online company that is inexpensive.

Check out other online guides available here: https://www.biggerpockets.com/guides3.

We currently have 105 units and are using a variety of excel, google docs/sheets/calendars, apartments.com (ads and rent collection), docusign and QuickBooks online (which we would like to keep). 

I would recommend first, finding and joining at least one if not more local real estate investor (REIA) meetup groups (look on Facebook or Meetup or just search online) and try to attend as many as you can to network with local folks doing all different avenues of investing.

Does anyone have any experience using Poplar Homes as a property manager in the Dayton, Ohio area? What is your experience? What level of management did you select? Would you recommend them?

Quote from @Lisa Broderick: Crazy that anyone would think that's a good investment.I learned what I needed to know by reading a few books and asking questions online.

Happy to review your ad just send the link to me directly. 

Start by going to this thread:https://www.biggerpockets.com/forums/899/topics/1214813-pm-h...And review the suggestions @Nathan Gesner shares there for selecting a PM.

Unfortunately, ESA (Emotional Support Animal) letters are tricky, especially with how easy they are to get online.

I've put up with them because they do a decent job keeping the place rented and I have a near perfect reviews on AirBnB.