You can refer to these below steps:
1. Choose a niche that can be profitable on facebook.
2. Create a fanpage for that niche and slowly post useful, funnny content, photos, quotes, tips, tricks, guides,...to the page.
3. Join other groups in your niche to post about your page.
4. If having some budget, you can run a FB ads to collect fans, likes to your page.
Hope this helps.
"We Will Become What We Think About"