Are they a good source of info for off-market properties?

If you are a new and inspiring REI, I feel KnoxREIA is a great source to begin a solid foundation. 

I have sources at the bank that I work at that could speak to you more if you don't have anyone lined up yet. 

Check this BP post on Atlanta cap rates out, @Arthur Fuller II and let me know if I can help in any way...Source: www.biggerpockets.com/forums/432/topics/228894-atlanta-cap-rates-and-market-data

For anyone needing funding I have a new unlimited source.

@Matt Kennington a realtor is a poor source of advice on such a topic.

Many times the seller of the note will provide collateral files that may have some borrower info, and we also research social media, PACER for bankruptcy, and any sources for criminal records to develop as much info that we can to underwrite a NPL. 

I know its suggested to approach a realtor or get an appraiser to determine the fair selling price of Real estate.  But as it has been mentioned in some of the other posts also, that it is not always feasible to appro...

Are you buying them from a source or going straight to the courthouse?

In other words, if they tell me their intention is to rent...how would that affect me potentially qualifying them as a funding source?