FB's own advertising is as cheap than fiverr. $5 can get you a thousand or two likes if you geo locate the campaign to certain parts of the world. Some parts

FB's own advertising is as cheap than fiverr. $5 can get you a thousand or two likes if you geo locate the campaign to certain parts of the world. Some parts of the world seem to like everything! Seems to be all legit accounts, so presumably far safer from any FB fake detection algorithms. Just don't expect them to buy your service!