If you are selling something on Facebook either through Facebook Marketplace, Facebook Shop, Facebook Page, Facebook Group or simply from your timeline, and not getting sales, one of the easiest ways to boost sales is by running ads. Facebook are are good not only to sell products on Facebook for also generate sales on products on other marketplaces. For instance, if you are selling from eBay products, Amazon, or Etsy, you can also promote these products through Facebook ads.There are two reasons why Facebook ads are good, one, it is low cost, and two, you can reach millions of people in very short time.