When you're buying links, you know that you're risking a site, that you're going against Google's guidelines (and let's face it, that's the engine we all want to conquer), and that you could end up with a serious mess on your hands if your site gets banned. Here are four big mistakes that you should avoid. 1. Not explaining the risks of paid links before you start buying. I doubt you'll find a client in a competitive niche who is unaware of the risks,