You make a very good point, the PPC should not be a "set it and forget it" online marketing tactics. I think every business owner can accept to let do PPC campaign do so only occasionally while focusing on something else. But you're right, new competitors arrive every day as old competitors quit. The game can change completely if you're not paying attention.
when you have to invest money to optimize your site then it is called the paid optimization. the simple example of this is PPC. if you invest in Google / facebook PPC then you will get some visitors automatically. thanks
If you give me money to optimize your sites, then its called paid optimization. Or you may pay google or facebook, they very effective for PPC
hi yes paying for optimization paid optimization, it is beneficial if done properly, because paying for link is not likes by the search engines.