One can "do the math" -if one is so inclined - or a guesstimate
If one is uses a pattern - yardages are included
Quilting can be a very expensive recreation/hobby/avocation if one buys only LQS regularly priced items.
Forget about the machines, rulers, cutters, etc. that are -more-or-less - one time purchases.
One can "get by" for less with donations or other cost-saving measures.