First, I think you have an excellent concept.

I read your marketing letter & here's the suggestion:

Change the headline to:

"How To Be The ONLY Realtor People in XYZ Will Call To Sell Their Homes - For Less Than The Cost Of A Big Mac & Fries!"

Notes:
1. Realtors don't want to put their name on people's tongues ... they want to sell homes.
2. You may or may not want to include the Big Mac part ... but, for less than that amount each day they can have your website & when they read the headline, they say to themselves I can afford a Big Mac & Fries in their mind ... therefore, I can afford this.

Just some points to continue.

Also, If you have gotten some particular objections, let us know & we may be able to help out with a response.