You are probably wondering why a site would just give away free gift cards. . . right? Its simple. Everyone likes free stuff. DropBlogIt gives out gift cards because it pushes traffic to their site. The more members they have the more gift cards they will give away. Its that simple.
Simple rules. It doesn't get any easier than this.
All you have to do is join their mailing list once and you are automatically entered into all of their giveaways. They will tell you in advance when they will be giving out gift cards. All you have to do is visit their site during that time frame and watch for them to call out their next winner. If they call out your name simply email them within the set time limit and you win. Its that simple.