Are you kidding? Flippa specializes in domain selling, Digitalpoint is just a forum where you can easily sale your domain for a few bucks, but rarely for its real value.
Flippa is just for selling the websites. Whereas digitalpoint is sell for the domains.As well this is a forum. Hot.com is for sale.This may sell here not in flippa.com
That used to be the case but it changed a while ago and Flippa is indeed used for domain only sales and website sales now.
I think that it depends. If you have a domain or site that you are looking to make a lot of money from I wouldn't advise selling it in a forum, flippa would be a much better choice.
DP has a broader market and the risk is small. Flippa is narrower than DP, and if not sold you will incur a loss
I believe Flippa while they do have more expert and buyer around which they not lie you and paid you with what the domain really worth. DP just a forum while it hard to meet up potential buyer and low competitive .
Flippa has both websites and domain names for sale. You can even do an advances search for domain names only.