Translation of kostspielig

I hope that it is clear. You may need to press the regional button next to each input field. Then the control panel will open, there you must choose a checkbox. The value will be added to the text. The active input field is marked in green.
This messaging systems is very weird, especially if you are older than 30 or 40... I do not understand how it works, but it works... once we put a message out, over 2000 people see it within 1 day per page per message.
Actually, the East Coast is six hours behind CET, that means that I would speak on midnight at your 6 o'clock dinner. We should try written exercise first because of the huge time difference.