1. You shouldn't pack money in your check-in bag.
2. You should pay with your credit card.
3. Should we exchange money at a bank?
4. You shouldn't put our medecine in the check-in bag.
5. Should I stay at a cheap hotel?
6. You shouldn't eat at expensive restaurants every day.
7. You should go shopping in the morning.
8. You should go to the airport early because it's crowded.