I have the Simplicity Binding Machine and love it. It works fantastic. Also I buy from JHittle
http://www.jhittlesewing.com/sewing/catalog.php 3 packs for $5.52 or
http://jhittlesewing.funoverload.com...ls/page_1.html for 100 yd reels for $32 double fold bias
http://jhittlesewing.funoverload.com...ls/page_1.html 10 yard reels for $4, double fold bias tape