Hey nivivacious,
I think that part of your anxiety might be due to the fact that you have a hodgepodge of materials from different sources. Not to say that any or all of them are bad. Quite the contrary - I hear good things about
Magoosh and I spent 6 years working at Veritas, so I know their CATs are stellar. But a lack of consistent/structured guidance can cause anxiety because you don't really know what to prioritize. Stock piling resources and plowing through practice problems can feel good and productive, but ultimately lead to inefficient prep because you get sucked into a rabbit hole of chasing that feeling of accomplishment instead of focusing on what will give you the best return on your time.
The key isn’t number of hours or weeks you spend studying, or which resources you prioritize first, but rather the quality of that time. At ORION we like to use legendary UCLA basketball coach John Wooden’s quote “never mistake activity for achievement” - just the fact that you studied for X hours (activity) doesn’t mean you got any better (achievement).
Give your sessions themes beforehand (“Tuesday I’m going to work on pacing with word problems”) and take quick inventory of what you achieved (and what you still need to) right after (“I got really comfortable with modifiers at the beginning of sentences, but still need to work on accepting strange ones at the ends of sentences”). Make sure you’re thinking in terms of what you’ve learned, how you’re improving, and what you need to do next - not just checking boxes or turning pages.
The most important thing about your study schedule is that it’s something you can keep up. And if you’re following the advice above - focusing on quality, thematic study - you can get more out of less time, anyway. Work smarter, not harder, and put together a schedule that lets you enjoy the process of learning and critical thinking.
Hope this helps, and happy studying!