This helped me to step back and see things in a simple format. Also, some good points made in the comments.

3 Times That Link Isnít Worth It

If youíve been building links for any amount of time youíve probably realized that link building is a time-consuming, tedious, and often frustrating. Finding high-quality, relevant links is getting harder. Not only has Google tightened the rules on link building, websites are increasingly aware of who they are linking out to. Oftentimes, when a site owner finds a linking opportunity they are so excited they jump at the chance to take it. But sometimes that link isnít really worth it, even if itís the only linking opportunity youíve found in a while.