I often get asked how much monthly ongoing SEO costs. This is a good article exploring the various pricing structures and how much you should expect to pay for SEO.
Essentially what the article says is that anything less than $500 per month is not worth the money spent, and ideally a local or small business should expect to pay between $750-1500 to get a quality organic SEO campaign going.
SEO is a widely adopted online marketing strategy that is used to increase brand awareness, build targeted traffic, and promote your organization’s perform
You can read the full article here:
Source: How much does good SEO cost?