I've tried this, i offered $100 for domain that i was kindof interested in. The domain guy laughed in my face, i bumped up my offer to 120 because it wasn't worth more than 200-300 to me, and im not going to start in that price range. The domain guy came back and said they were looking for five figures. Then i laughed in his face, and we haven't spoken again.
Yes they want to move product, but they also believe that you (or someone else) NEEDS that domain. They live on margin, not on volume.
Similar thing. My neighbors didn't renew their domain for their business. They picked up a .net which worked fine for them, but they still wanted the .com back. I offered the new holder $100 a couple times but they wanted $1000+. I eventually put in a backorder at GoDaddy and it finally expired and we got it back for them.
Yes they want to move product, but they also believe that you (or someone else) NEEDS that domain. They live on margin, not on volume.