Does Expedia Rewards cost money?

Related questions

1. Is it cheaper to book last minute flights?
2. What is the most expensive day to fly?
3. Is there a phone number for Expedia?
4. Is it cheaper to fly on Christmas day?
5. Do Flights go down last minute?
6. How many Expedia points equal a dollar?
7. What are the best days to fly?
8. What days are flights the cheapest?
9. How do I speak to a person at Expedia?
10. How do metasearch engines make money?

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14. #dollar
15. #expedia
16. #accruing
17. #airfare
18. #spent