In German, it is “kostenpflichtig bestellen“, which is also quite clear and I have to admit I like it. The button cannot be misunderstood and it seems silly to

In German, it is “kostenpflichtig bestellen“, which is also quite clear and I have to admit I like it. The button cannot be misunderstood and it seems silly to claim that it is in any way an inconvenience to a honest trader that they have to put “kostenpflichtig bestellen“ rather than just “bestellen” on their websites. English seems a bit more clumsy, though.