Hotel review and booking site HolidayCheck is giving away miles to members who write reviews of their hotel stays. You can earn miles with airberlin topbonus (300 miles per review), Lufthansa Miles & More (120 miles per review) or airBaltic BalticMiles (150 miles per review). To submit a hotel review, enter the hotel name and your travel details, including information such as when you stayed at the hotel and for how long. Rate your stay, enter your comments and whether you would recommend the hotel to others. Members can earn miles on a maximum of 10 reviews per month and reviews must be approved before you will earn the miles. According to the terms and conditions, you must have stayed at the hotel within two years to write a hotel review.