Can SEO be done totally freely?

[saisaanvi]

Yes, you can do SEO without spending money. But if you have a website and it has high competition then you have to build quality backlinks. By using some free techniques you can't get quality backlinks and techniques like a guest post require money. Some blogger will ask money for guest post. So you have to pay money for building backlinks. If your website has less competition. It is easy to rank your website without spending any money.