When I first learned to knit, I learned the long-tail cast-on... and I never imagined how many different methods of casting on there could be! I wanted to share with you all some resources that I come back to time and time again.
The first is this great article at Knitty that has a good breakdown of the most popular types of cast-on methods.
There are times that you need to use a provisional cast on, when you will need to go back and pick up stitches along that edge. This article at the Purl Bee blog illustrates a common way to make a provisional cast-on using a crochet chain. Here is a great video showing another way to use a crocheted provisional cast-on.
Another resource that I use often is