Personal using EfficientPIM to take note, manage tasks/events, keep diary, etc. (There are many paper management tools such as franklin planner or digital programs, choose the right one is very important )
My steps below
1. Set groups based on different items, such as for jobs/ for families
2. Make a to do lists. (According to the importance/emergency, prioritize all of them, then focus on doing one thing, cross it out of your lists after you finish it. Repeat)
3. Set a reminder. When facing many stuffs, we are easy to miss time and thing. So set a reminder to alert you when as it needs.
4. Turn off your phone when you are focused on one thing, which will help you avoid being stopped especially regarding to your art and writing career.
Hope it helps