Originally Posted by InfoGuy

The reality is most large domainers get tons of unsolicited emails from people who want to buy their parked domains. Chances are that if you're not getting replies to your offers, you're not offering any substantial amount of money.

These potential buyers wrongly assume that because parked domains are not being used in the sense of a developed site, that they can make lowball offers. If you want your offers to be taken seriously and increase the chances of getting a reply, include the domain name with a substantial offer price in your subject line.