Long term SEO Needed

I need my website at the top of google for 2 terms "Dallas Web Design" and "medical Web Design" I am a web designer with experience in SEO but haven't done anything of this caliber. the website is [login to view URL] If you do a good job it will lead to more work (more search terms needed), and a long term position of keeping me at the top of google. I have a budget of $100 per month, and this needs to come with a guarantee of traffic as well as top of google for search terms please send me your plan on how you will do this, how long it will take, and when you can start Only experienced users need apply, I don't want my URL sandboxed