The SEO or search engine optimization isn’t really advertising. But this will still cost money and time. If you are short on time and have the money, there are SEO consultants or agencies as your alternative. But if you are short on money, you can use these DIY or do-it-yourself search engine optimization tips to enhance your organic standings.
Reference: https://allworldseodigitalmarketingsolutions.com/seo/10-DIY-SEO-Tips-To-Let-You-Save-Money