I run a marketing blog. All 3 of these sites turn your links to do-follow with a few upvotes. I need someone who has experience working with proxies who can create a few accounts on one of these sites, answer questions and mention my links, get upvotes on the answer, and turn the links to do-follow. This is manual work, and I'd be willing to pay $1 each for every link. If you're interested, I can give you the blog URL and you can get started. I will hire multiple people. You can give it a shot and if you succeed, send me a report and I'll pay you out. I'll cap everyone to 5 links on their first report. After that, we can work out a long term price for regular links.