Since I don't have so much money (in Romania the wage is 100-200$) imagine I wouldn't be too keen on spending my food money on stuff like that. Not to mention I think I can do what they do. So I just find FREE submission sites and just copy-paste the info about the site in as many as I can. On
Webmaster Tips & Tricks,my new "baby" I've indexed some search engines and directories with free listings. I intend to use this and grow that database more.
So .. don't pay if you can do it yourself