Yes, as long as it’s not an offer exclusively for new customers or the offer description doesn’t state that it can only be used once per person or per customer account, you are allowed to use it multiple times during the validity period.
If something doesn’t work as expected, please contact our support team. You can reach us via email at support@benefits.me or by phone from Monday to Friday, 8:30 AM to 6:00 PM, at the following number: +49 69 153 225 30