I got screwed out of my 10%. I went through Bing, searched "Newegg", Clicked on the link, saw the 10% off banner on the Newegg site, added my network repeater to my cart, went to check out and it gave me an error page. I kept trying and nothing. I tried Newegg without the Bing cashback and it would go through fine. So I went back to the page with the 10% link, logged out, logged back in and bam it went through. Saw the 10% link still, checked out, perfect....except I never got an email from MS saying I got cashback! F'ers! It was only $5 but it still erks me!
By the way, even today this doesn't work for me. I get "Bad Request (Invalid Verb)" when trying to check out.