how to determine the part of town to send mailers to?

[Jon Mason]

I'm just getting ready to start doing some direct mail in the Nashville TN area, and I'm unsure of how to analyze a sub-market to determine if it would be a good candidate for wholesaling?

I've lived in Nashville all my life, so I have a pretty good handle on the different areas.  I live on the south side, so my gut was saying hit the Spring Hill and/or Columbia zip codes.  I'd like to know if there's an objective way to analyze those zip codes to determine if it would be a good sub-market?  I feel like I should be operating off of more than a gut feeling when spending that much money on marketing.

[Devan Mcclish]

@Jon Mason

 I have also gotten away from post cards. I sent 3000 of them and got 3 phone calls which is awful. Letters have given me a much better response. I would get creative with the letter, the more creative I have gotten the better response it has gotten