Fabric.com is having an online coupon right now that gives you $5.00 any $5.00 purchase and the coolest thing is that you can apply this to shipping too which is $3.95 on most things.
I got some elastic for making my tutu skirts and ended up paying .01!
Here's the code you need: WEKND309
ADVICE: type in "notions" under search and serach by price, ascending - you see the cheapest things first so you can pick something you can use for enarly free. Don't try to get off for free though because it will make you add something to your cart so you pay at least a penny :)
And if you haven't signed up for Ebates yet, you can go here to sign up now and get an automatic $5.00 for signing up plus 5% back.