Now that you know how all the courses work, this suggested routine will make more sense to you. Here is what I recommend for most students:

1. Learn, memorize, and practice items from Daily Progression for the first 5-10 minutes of your practice.

2. Next, focus on at least two pieces of repertoire from Masterwork Classics for the bulk of your remaining practice time. Reference the course videos as needed. You may wish to start and end this part of your practice with whatever piece is newer or more difficult.

3. Spend 5 minutes or so on a Piano Essentials lesson. Use this time for the sight-reading assignment once you have completed all the lessons at your level.

4. Lastly, and optionally, spend another 5 minutes or so reviewing an exercise or etude from Piano Studies.

Again, I would like to emphasize that your routine will be most optimal if it can be repeated in its entirety more than once in a day. However, several times a week is still pretty good!

Let me know if you have questions about this or need advice for your specific situation.