They told me a lot about what was going on in the unit and of the relationship the tenants were having (alleged illegal activity which I was also told about by neighbors). 

If you know your town/city and actively analyze the competition, then you are in a far better position to know what the market rate is, in my opinion.

If I dont spend time here, then Id need to spend time and money on other lead generation activities.  

I don't see much activity here at all.

I really doubt he is an active gang member, I've been talking with the family, he and his wife are both Senior Citizens, and as far as his possessions go, he left the place (and the family) in pretty bad shape...

I'm an active investor in Reading and know the area well.

He is a moderately active member here and I would trust him to do an inspection for me.

If you are unlicensed, then you could possibly run the risk of broadcasting your unlicensed activity to the world with your ad. 

He has not been very active here on Bigger pockets for a while, but you can see his posts by searching for his account here and then you can see his posts Aler

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