
Are you using wordpress for your lander?
Here is a really nice theme for $24 bucks that lets you sell your domains.
Preview Here:
http://preview.themeforest.net/item...-to-sell-domains/full_screen_preview/12578919
Purchase Here:
https://themeforest.net/item/domain-broker-2-landing-page-to-sell-domains/12578919
This one is a great tool for anyone running wordpress