Once in place, I can make updates and modifications as required. However, quality can never be sacrificed on the altar of expedience. However, there is no simple way to quote pricing for a WWW page. Every page has its own special uniqueness. Quick and easy quotes without details are a shortcut to disaster.
Accurate quotes requires asking a list of solid, probing questions.
Armed with the knowledge of your exact needs, I give a firm quote. Once a quote is rendered, that's the final price.