SEO monthly costs vary based on more factors. Some companies will charge you hundreds. Others may charge you thousands. The company’s profile is extremely important. You want someone with proven experience and results, but you don’t want to pay a fortune either.
Then, if you’re in a competitive market with plenty of other similar businesses, cracking such keywords can be difficult because everyone else is trying the same thing. Therefore, costs might be higher for tough projects too.
To get a better idea of what to expect, make sure you understand your business and industry, then get a free quote.