I'm now browsing through properties on LoopNet to get a feel for the market and wanted to ask about the do's/dont's when calling the agents/brokers posting the properties on LoopNet. 

Check their websites, browse through their profiles, and read reviews from previous clients to assess their suitability.Networking events and conferences: Attend industry events and conferences focused on vacation rentals or property management.

@Ray MalaveIf you browse this very forum and see who answers the questions here and how, you will meet 20+ of us.

I will be taking it into consideration when browsing for lenders.

I found out about BiggerPockets from an old fashioned internet search, and after some quick browsing and a few podcasts (Thanks @Joshua Dorkin!)

I know that this is after the fact, but perhaps your refreshed opinions on Union City and this neighborhood in particular might be of use to others like me who browse the forum.

Yes, spend more time educating yourself by browsing, reading, listening and building your network here in BiggerPockets site.

. =) And I'm browsing bigger pockets. 

If someone is just interested and browsing the 10/20 book and due diligence books are a good start. 

I did browse the forums for a bit to see if this had already been asked but I didn't find anything.