Try to learn digital pr if you can't invest that much into Link-building. Otherwise just stay away from any spammy links that could hurt your site! (Without paying Link-building gets real hard. You can look at the ahrefs channel tutorials for a better idea at the organic way)I'm broke right now but want to try a tier link-building strategy so I want to know which are Web 2.0 links that give do follow link and get index fast which I can use for my tier 1 links