Hotel etiquette: Dealing with housekeeping

According to etiquette experts:

1. Don't answer the door if you're not dressed.

2. Don't ask questions about the housekeeper's personal or financial situations.

3. Don't ask the housekeeper for help with the adult pay-per-view channels.

4. Leave immediately when the housekeeper arrives. If you can't leave, ask her to come back later.

5. Tip at least $3 to $5 per day.