Buying Facebook likes is not a bad idea.It will increase your page engagement. It is like to invest in advertising. It is important to remember that Facebook's algorithm prioritizes the content that is engaging. If your post has low engagement, it will be hidden from the news feed. The result will be lower visibility for your page, which makes it harder to gain new customers.
It is not illegal to buy Facebook likes. Buying likes on Facebook may give you a impression of your page's popularity, and it could even good for your brand's reputation. Moreover, buying likes could boost your post engagement rates, because most of these people are real accounts. Also, they are representative of your target audience.
Facebook users can easily spot accounts. There are new tools and guides that can identify Facebook followers. Moreover, people tend to trust brands that do not lie about the number of followers on their page. Therefore, if you are planning to buy Facebook likes, make sure you check your account regularly for any traces of buy real accounts.