Just thought I'd mention my love of thrift stores.
Went to a Goodwill with my Mother in Law, and found this:
Mountain Colors worsted "Mountain Goat" yarn, 2 bags with 3 skeins each, totally unused, in a GORGEOUS blue/green/rose colour, still with their $24.99 price tags on them.
Oh yeah, and the bags were marked at $4 each. Yup. $150.00 worth of fabulous yarn for only $8.