Is Kayak Hacker Fare safe?

Related questions

1. Does using a travel agent save money?
2. How does a buddy pass work?
3. Is Kayak refundable?
4. What flights are flexible dates?
5. Are Kayak Flights refundable?
6. How does a kayak make money?
7. How do I find flexible dates on kayak?
8. Can you search flights without a destination?
9. Does kayak have a phone number?
10. Are hacker fares on Kayak safe?

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