Respond to all of the negative comments. Ignoring it will give people the idea that you simply don't care. If you respond correctly, people will notice it and they may work with you later on.
Always establish a clear purpose for your Facebook page is for. Don't create a Facebook page just for the hip thing to do. Do you want to tell your customers? Or do you have it so that your customers get in touch with you?
Don't stray far off-topic in your posts. If you are selling houses, for example, it's okay to post about learning of the rates on interest changing if they are. Posting links to Harlem Shake parodies is totally off-topic information will only frustrate your fans.
Think about purchasing a facebook ads.You can tailor your ad by having people of specific age or gender criteria see it. There are no long-term commitments required. You can stop your ad whenever you want to.
Facebook Offers can help you get the word out about a way to promote yourself. You only need to set the offer and then change it to Promoted Post on your wall. You may find yourself with new followers if you feel it is a great offer.
One great way to get people to engage with your brand is to give away something. Facebook Com. Offer a freebie to anyone who opt in to your Facebook page or like your social media pages.