Yes, it's going to be user suggested search results from shopping sites (honoring any robots.txt restrictions, obviously).

Point is, I won't know what they're going to suggest until they do and, ideally, I'd like to automate additions where possible to minimize manual review.

I was thinking of grabbing any possible matchces on the page and present them to the user adding the link as first step, but wondered what was out there already. Short of looking for patterns in the DOM, I'm not sure what else to do.