Search engine optimization is not just adding up title, keywords & other basic SEO.
Because these simple changes will never succeed your business unless you have the magic wizard for the real, which doesn't exist.

a website is never a success unless it receive relevant traffic which obviously generates some sales.
The whole essence of Search Engine optimization is in getting the rated well in search engine results, for specific targeted competitive keywords which in turn generates relevant traffic. After all this what a SEO guru focus on.

Every website needs aggressive promotion in an optimistic way. Every website is not the same Search Engine Optimizer needs to identify these requirement and acquire determine tasks.
Project A is different from project B, SEO is an ongoing task.Which will only end when your competitors close their business and you be the monopoly for that market. But this does'nt mean that you need to spend the same amount of money and effort even after 6-8 months of SEO.

At SEMG your project will be promoted for six to eight months which includes number of hours after six to eight months you will see the desired results (ranking) from there your projects will need 'n' number of hours just to maintain these rankings.