Mention it at your church or any other group you belong to. Word of mouth will spread and you may find someone who is downsizing, etc. I once received several boxes of scraps from a lady who had surgery and could no longer sew. She was the friend of a friend of a friend. Thrift stores for mens shirts, womens gathered skirts or dresses. I once made a quilt from 3 dresses and a set of curtains found at a thrift store.