One of my websites: Resume Builder allows people to create their resume online, using a step-by-step wizard (they receive a resume website, files to create an interactive resume, can download to Word or PDF).
I've had little success with this site and I am thinking about allowing people to sign up for free (currently, it's $10/year).
Free...with a caveat: I'm thinking of adding Google Adwords to the users Resume Website (click for a sample).
If the user doesn't want ads to show, they will have the option of turning it off, but, they have to pay to turn off the ads.
What do you think?