Tick anything you already have, in any order. Quests unlock once this is done.
Bonsai soil is grit, not compost, and that is the thing most beginners get wrong. Ordinary potting soil holds water and rots the roots within a season.
2 things left above. Quests are real things you go and do, so they only make sense once you have what you need.
First one waiting: Water by weight and feel rather than by schedule