I have done a science Access course, so I should be able to help in some areas.
Ues, you should include other tasks of the day like school runs and chores in your planning table. If you don't want to explicitly say what they are to protect your privacy, then you can be a bit vague about it or just say when you are available. The mark you can only get in this module is a Pass, so you don't need to go into depth about your life. The criteria for passing is also pretty basic. So long you meet the assessment criteria, you should be fine.
Harvard Referencing can be difficult to follow. Apparently, the rules for referencing websites, videos, and online sources can be a little inconsistent. I have used Harvard Referencing at university consistently, and my tutor can tell you to do something completely different in class. My only advice is to stick to the guidelines that they give you in class, even if they are wrong.
Otherwise, referencing journal articles and books tend to be pretty consistent. I would look at university level textbooks for examples of how they reference the material. However, even creating reviews and descriptions was challenging for me. I often sought external assistance, but I don't consider it a mistake or anything of the sort. In my opinion, it's one of the few practical options. If you're interested, you can also turn to them here at
https://assignmentbro.com/us/pay-for-homework . They've helped me numerous times, and I'm confident they'll assist you too, especially since it's quite straightforward for them. It might be useful for you as well.
My go to book for academic writing is How to Write Great Essays by Peter Levin. It's definitely a recommended read once you get into university.