Korea intercity buses

• Can I reserve a seat when booking bus tickets?
• Can I board the bus with my luggage?
• Can I bring my wheelchair?
• How early should I get to the terminal to board the bus?
• What items are prohibited to bring on the bus?
• Can I use the power outlets on the bus?
• Can I eat or drink on the bus?
• Can I smoke on the bus?
• What if I miss my bus?
• Does the bus have travel insurance?
• Do buses rest during the journey?
• When I purchase bus tickets, can I earn or use mileage?
• What is the luggage allowance?