Do you know how Facebook works when you upload information to your fans? These data are necessary when you ask a strategy Digital Marketing Social Networks.
When you post a Facebook post it shows it to a small number of people who gave “like” to that page. Measuring this way the reaction of this small group of fans.

If your post receives comments, likes and content is shared; Facebook shows it to more fans and even their friends.

If your Fan Page has many fans but none of them look or care about your posts, your posts will never be read by many people.

Your brand needs unconditional fans, willing to participate in your Digital Marketing strategy.
Don’t buy Likes on Facebook, it’s preferable to have less quantity and more quality.