some people don't understand that posting a legit ad on CL with a good price, the response can be overwhelming.
I once posted with some boogie boards, for free, I received 60 responses within 45 minutes.
It was nice that he at least deleted the ad so people knew it was gone.
In all my CL ads, I put in I will only respond to first 3 emails, and if it isn't sold, I will respond to next 3 or delete the ad if sold.