Just from a quick glance it looks like $500-$600 is the rent rate for the area, take out taxes (100), insurance (90), property mgmt (60), repairs (60), vacancy (100), and capex (30), that's 470 in expenses, leaving cash flow in the 30-130 range.

He also learned if the phone rang and I put my finger up to my mouth, it meant shhhhh... 

When I used to work construction, there was the whole range of people: Frugal/thrifty people that drove older cars/trucks and people who always "needed" a brand new truck.

Make sure their rent is sufficient enough to cover the added ongoing expense. 3.  

In the past 180 days duplexes in 28205 have sold in the range of $75 - $140K.  

Some stay in a certain loan range etc.

You can learn a ton from the real estate experts on the site.As for investing in the $20-40k range, I recommend that you find highly respected professionals like @James Martin and @James Wachob to be your "boots on the ground."  

I think PSJ makes an attractive rental and flip market, but I'm on the sidelines a bit since I'm not in the area right now and after picking up homes in the $50-60k range, I'm not super thrilled to buy at $90k+ when they still need $10k in rehab and rent for ~$1100. 

I felt my offer was low enough to be realistically out of buying range, but not so low that the broker felt like i had totally wasted his time.

I am really interested in bringing a driving range to the Rogers-Bentonville area because I am an avid golfer and I'm down in Arkansas a lot already and there is never any where to hit golf balls at besides country clubs.