Step One: rip out zipper you were never happy with on the otherwise splendid Juuli cardigan
Step Two: follow your own damn Zippers 101 blog post.
Step Three: try not to cringe at "time saving decisions" made the first time around. Yes the zipper is too long.
Step Four: drink coffee and consider options. Going to sew down zipper and then add more collar, then sew rest. I would like more of my neck covered anyway.
Step Five: get going with the sewing....
To be continued