Am guessing that the only reason you are even thinking about a facebook page is because you have a product or services you want to attract more customers to.

Then if you do then you need to understand how best to use facebook cheaply and gain enough customers.

#1 ADD ENOUGH INFORMATIVE POST ON YOUR PAGE
This is the first stage to keeping your fans glued to your page. Write post that will benefit your fans and will compel them to share your post. This way their friends can also like your page and become a fan.

#2 INVITE YOUR FRIENDS TO LIKE YOUR PAGE
Your friends can be a good start to promoting your facebook page, you can easily invite them to like your page and when they do, your post can appear on their facebook wall and if it’s interesting enough their own friend can also like your page.

#3 TAG OTHER FAN PAGES IN YOUR UPDATES
This is a good strategy to help promote your facebook page. Their fans may see your page and also like your page.

#4 PUT A FAN PAGE, LIKE AND SHARE WIDGET ON YOUR BLOG OR WEBSITE
This makes it easy for people who visit your blog or website to share whatever they like on your site with their facebook friends. So remember to add enough informative articles on your website or blog.

#5 PLACE LINK OF YOUR FACEBOOK PAGE ON OTHER SOCIAL MEDIA SITE
If your own an account with other social media platform like Twitter, Instagram, YouTube etc, you can always place your fan page like on the updates you place on those sites.

#6 INVEST IN FACEBOOK ADVERT
This last step may cost you some amount, but will generate a lot of fans for your page if you really no how to create a productive and cost effective advertisement successfully.