I'm promoting a coupon code but my competitors are downvoting it even though it works fine. Instead of watching it fade into oblivion I'd like to upvote it so it can be seen, but have exhausted my own IP address and that of friends. I'm looking for sites/software that can help me vary my IP address. I've tried UltraSurf but it seems to have only one alternative IP address and it's not in the U.S. I'm trying SurfEasy VPN but it's glitchy and seems to only have a few U.S. IP addresses. Any recommendations for how I can get varied U.S. IP addresses would be greatly appreciated.