Originally Posted by
Driavna
Current max item level needed for casual content is 435, easy to achieve with Goetia Tomestones. With that in mind and sticking to only one class (healer/tank preferable to reduce waiting) the amount of time required is just a few hours per week. Extreme/Savage requires more commitment but not the number of hours people usually associated with it when you use the gear available and take a casual approach.
Crafting is the only activity in-game right now that will eat your time if you want to stay relevant. If you stick to culinarian+botanist+mining you can participate in any crafting/gathering related content by using scrip gear.