Before you give up on your niche you should wait and advertise your site, post comments on blogs and forums, write articles you should see more traffic coming thru then.
Yes!!
You should absolutely continue to drive traffic before giving up! What you need is to learn how to correctly pick a niche or the mini-niche within it so yo ucan further target your traffic.
cheap ppc is a good way to drive super targeted super mini-niche traffic. Why?
because it will be alot cheaper anyways and honestly it will get you some traffic google looks at traffic as well it will help whether its paid or not paid traffic traffic is traffic (except from traffic exchanges)
threeg5