In essence, SEO is free to achieve. So yes, SEO is a free way of marketing your website and business. However, search engine optimisation techniques come at a cost of both time and experience. Even the basic workload of optimising a website for better search engine rankings is a complex process. Usually, it requires more than just one person’s skill set to do it successfully.
If processed incorrectly, certain activities performed with SEO in mind can actually create a negative impact on a website. The best action to take would be to speak to a specialist SEO agency for the best results.