Here's the referral letter marketing idea for Realtors or agents in a nutshell: Generate a list of professionals that are likely to have clients that could potentially be your clients too. Put together a very personalized letter to mail to these professionals (regular mail, not email). Get creative on the envelope or package you send it in as well at some type of additional marketing piece, like a DVD you make using Animoto. Follow up with each professional by phone, if possible, and continue to mail/contact them once per month.
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