WHAT: Earn 100 Lufthansa Miles or Air Berlin Top Bonus miles from HolidayCheck for each hotel review completed at the link below. You can do up to 10 hotel reviews each month- and they shouldn’t take longer than 5 minutes or so.

KNOW: You have to enter your mileage number on the final screen after the review process, and confirm the review by responding to an email link.

LINK: https://secure.holidaycheck.com/hotelrate.php