the best place to get wool for longies on the cheap is to find a 100% wool sweater at a garage sale or thrift store and frog it - there are tons of websites to teach you which sweaters can be frogged and how to do it - here's one:
https://www.mscraftyifyourenasty.com/2008/04/love-your-sweaters-frog-way.html
I've gotten gorgeous yarn that way and only pay a few bucks for tons of wool, cashmere and other great yarn. it's also a really great way to upcycle and make something beautiful out of something that is not so pretty. n
just a thought!
Re: s/o: much cheaper way to get wool for longies