To link or not to link, that is the question! In general, the more the merrier, however some links can harm your site’s “reputation” if they are in a bad neighborhood.
Avoid questionable link building strategies
Be careful! If you see a link building opportunity that appears suspicious, ignore it. You could be wasting your time or even risk having your site penalized for significant periods of time by search engines. It’s up to you to verify legitimacy and value of any agreements.