daz.com and ww.com are valuable (~$100k-250k), the rest he'd be better off keeping. secondhandcar.com could be valuable to the right person. You could probably

daz.com and ww.com are valuable (~$100k-250k), the rest he'd be better off keeping. secondhandcar.com could be valuable to the right person. You could probably get $50k from the right buyer. The rest are nice, but not "must haves". Unless a domain is rare and generic its not worth > $10k. Color.com, Mint.com, Tires.com are rare and generic, most of these are not.