Not transparent. Unethical. I felt tricked. Scam company I paid about £40 more for the Opodo Super Flex ticket which allows some flexibility for changes / cancellations. Two days later, they inform me that another £89.99 would be debited from my card unauthorised. The reason they gave (very complex and makes no sense) is that at time of purchase I was auto-discounted £49 for their 'prime discount'. They said that because I had a similar prime discount from them on one occasion 3 years ago (which I don't remember), I was no longer eligible for the auto £49 discount. And so they were debiting me for £89.99 for a membership fee for a year that would permit the £49 discount. They are refusing for me to either cancel their membership fee of £89.99 and pay the £49 discount, now that their non-transparent sales methods are exposed. They are also refusing for me to cancel the tickets, on the grounds that they are now more expensive than what was apparent at time of purchase. If their can detect a customer as a returning customer after the sale, surely their technology can identify the customer at the point of sale so that the customer will be aware of what they will be charged.