Check your emails, if you have a Stewmac account you may have received this targeted offer:
"We're giving away $5 to $50 in StewMac store credit! Everyone receiving this email will get something (no one will get coal). Use it on your next purchase of regular items, sale items, closeouts...whatever you want!
To see your free gift sign in [stewmac.com]
to your StewMac account. Your special gift credit appears auto-magically in your order total! But the magic won't last forever. This special gift credit will expire Dec. 31, 2017."