I was a marketing manager, so I really like your comparison of the resume with the marketing tool, because it's true. When we try to get a job, we try to sell ourselves as a good specialist. So if you want your resume to "sell" you, and the HR manager wanted to press the "buy" button, it should be just perfect. Once I helped our HR and came across TOP 5 resume writing services and remembered them when I decided to change jobs. It was a risky step, because I didn't know how good they were, but I didn't lose it, because their resume sold me out to another company very expensive and beautifully.
Check here whats better