Make sure that Whatever Time you are going to spend on your website as search engine optimizer then Do some important stuff of seo such as article marketing, press release creation and submission, blog creation and submission and video marketing.
someone quoted me $1500 for 1600 hrs in a month's work. Effectively that is 5+ hrs a day, the amount of work is plenty.. so if you ask me, its gonna be good (if you know what you are doing)!!