Bad habit: wasting money.
• Do's:
- Use your money wisely.
- Save up the money.
- Know how precious the money is.
- Do part-time jobs to earn more money (Choose the one suitable for you).
- ....
• Don'ts:
- Use money to buy unnecessary things, too-expensive things,...
- Show off with friends about expensive things you have.
- Eat out too much.
- ....