We have a bunch of affiliate sites with good rankings. They are all built upon great content, many hundreds of pages, news, social signals etc. The problem is, these sites are old and I ranked them years ago. However, I can't get new affiliate sites to rank. It goes upwards for a while, then I get put in the sandbox after a couple of months. I have built 4-5 quality links per week, is this too much? Do you also feel that you have to have visitors coming to your page at the same time you do the link building? My problem is that I often end up in a situation where I have added 100s of links but the visitors are like 5-6 per day. It is a very competitive niche, but it doesn't scare me as I've managed this before. I just need the recipe for the page to get trusted. How do you go about it?