Holy fuck, from stupid to stupider.
Make one landing page template. Using php, (or whatever you want), echo that keyword throughout the page a couple times, (title is nice, h1 tags, top and bottom of page), then your qs will be higher. Who said anything about having one default keyword?
If you want to get fancy you can even have it send a "category" type through the destination url then have the template page change it's text depending on the category it sees coming through. That will get you an even better quality score but don't do it until you've found converting keywords to work with as it's time consuming and may not be worth it.
Make one landing page template. Using php, (or whatever you want), echo that keyword throughout the page a couple times, (title is nice, h1 tags, top and bottom of page), then your qs will be higher. Who said anything about having one default keyword?
If you want to get fancy you can even have it send a "category" type through the destination url then have the template page change it's text depending on the category it sees coming through. That will get you an even better quality score but don't do it until you've found converting keywords to work with as it's time consuming and may not be worth it.