Recommended tool to create a mobile-friendly version of an existing site, complete with functions to automatically redirect mobile visitors to this version of your site. Shovelware, but good shovelware.
Not free, but fairly reasonably priced. $7.95/month for one build-it-yourself site up to 1500 visitors/month, up to $199/month for 1.5 million visitors/month.
If your want them to build it for you, they’ll do that for a one-time fee of $650 or $1200, depending on number of page templates/forms they need to design and how many design iterations.
You can put ads on a MoFuse site, and this can cover the cost