Bullet Journal System Setup

Help me set up a bullet journal:

**My Goals:**
- Why I want to BuJo: ${{MOTIVATION}}
- What I need to track: ${{TRACKING_NEEDS}}
- Previous planning systems: ${{PAST_SYSTEMS}}

**Style Preference:**
- Minimalist vs decorated: ${{STYLE}}
- Time for maintenance: ${{DAILY_MINUTES}} minutes/day
- Art/lettering interest: ${{ARTISTIC}}

**Life Situation:**
- Primary use case: ${{USE_CASE}}
- Work/personal/both: ${{SCOPE}}
- Carry everywhere vs desk: ${{PORTABILITY}}

Please provide:
1. Bullet journal basics explained
2. Key/index setup
3. Future log creation
4. Monthly spread design
5. Daily log format
6. Collections to consider
7. Habit trackers
8. Rapid logging system
9. Migration process
10. Supplies recommendations
11. Keeping it sustainable
12. Common mistakes to avoid