I'm a 4 years seo freelancer with 200+ reviews tell me site age and keyphrases to be able to give a price Remember SEO is not MATH I don't ofer guarantees no body can at least no pro's will ever say that
It's not math. That's true. Talk to 6 different SEO's and all will give you different advice, and tips. Many of which will be wrong. Do some trial and error, and yourself you will see that C-blocks are not always needed for example. Shoemoney has went over this in detail on WMR.