It's tricky to get the STL discount and affiliate link to work together. I think if you replace the referral code in the e-mail with our affiliate code (<b>thehomeimprovemz</b>), it should work.
Like if the link they give you is:
you'd change it to:
(where whatever is after the stl is in the address they've sent you.
Or you can just try to get to Amazon through our site's Treasures links and then go to your Share the Love section. Though this seems to not give credit most of the time, I think.
No biggie either way - saving 10% is important. It's certainly acceptable; I've tried to start STL threads in the past.