Prep

I’m sure this topic has been beaten to death but I am starting to prep for the December CFA Level I. There’s like 10 different companies that offer 5 levels of study courses and I don’t know what each proprietary name for each service offered means. I am looking for:

  1. Something cheap (used?) 2. Something that has videos I can watch online and follow some sort of cirriculum 3. Something that is self paced

Is there anything that hits those preferences? Is there a set of criteria that every study program should have?

Thanks