I have some domains that I've been building for the last few years and now I'd like to sell them. I tried several services (including Sedo) to try and ascertain just how much money each domain was worth, but not one service agreed with any other service's assessment.
I don't want to sell myself short, but I don't want to make the asking price inappropriate.
Is there a formula to determine this, based on rank / traffic / etc? I know it can't be an exact science, but I'd like to be sure that I'm not selling myself short. Additionally, I'd like to be able to tell if I'm paying to much for a domain if I want to buy one in the future.