Personally, I would never invest in a place I didn't even visit and also meet/interview the people who would be involved (agent, manager, contractor, etc.)

Understand the fees involved and calculate the total cost for an entire year of management so you can compare the different managers.

There is a lot of training involved, it takes months (up to 2 years), and they usually like to start them off as puppies.

Quote from @Todd Anderson: @Benjamin Ying,First off Congrats at making the decision to get started into REI and getting involved with BP. 

If they fail to comply, you may need to involve legal counsel or contact your state’s real estate commission.Hire a Reliable Manager: Finding a professional, responsive property manager is key.

Mike has been easy to work with for me, I don't know the other guy who it looks like was involved in Four Peaks.

Anytime you're involving the govt it's a hair pulling nightmare.

When you mentioned selling and other investors being involved.

I do have several S8 rentals, while they are generally performing well, there is more paperwork involved in the leasing and the strict inspections can be quite a pain. 

Two flats are essentially just houses.... they trade like houses and there is a lot of emotion involved.