Can I prepay baggage on United Airlines?

Related questions

1. Is there a weight limit for carry on United Airlines?
2. Can I check a bag with United Basic Economy?
3. Can I bring deodorant in my carry on?
4. What does basic economy mean on United Airlines?
5. Can I put Charger in checked luggage?
6. What does United basic economy mean?
7. Can you check a bag with basic economy?
8. Does United really charge for carry on bags?
9. Can you bring hairspray on a plane?
10. Is United Airlines strict about carry on size?

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