Understanding what makes a good warp yarn is an important skill for every weaver to learn. This post explains how to tell if your yarn will be suitable to use as a warp on your loom.
While there are sometimes differences between yarn that was manufactured specifically for weavers as opposed to specifically for knitters, that doesn’t mean you can’t weave with a yarn that was “meant” for knitting. This blog post explains how to figure out if your "knitting" yarn will work for weaving.
When you're learning to weave, terms like WPI, EPI, and sett can be confusing. This blog post explains each of these terms, and tell you how to calculate all three so you can start weaving with confidence.