SEO is a complicated topic to understand, much less to budget for. Good budgets should be based on more than a shot in the dark, but if you’re not familiar with the area, how can you make informed projections?
Of course, there is no one answer for every situation, but there are a few levels of SEO work that cover most small businesses. These projections should let you know if you’re getting a decent deal. A higher price tag may also not be a deal breaker- many SEO companies can charge more, because they have a long history of proving Returns on Investment.