Dear Nicolas,
I will try the first solution you presented, thank you.
As for the second question, I don't think it is a problem of wrong calculations. I have a default tax category of 21%. I always fill in the tax included tab and then Hikashop calculates the price minus VAT. The exact price should be 0,826446281, but Hikashop tops this to 0,82645 in my backend and to 0,83 in the front end. My guess is that it takes the minus VAT frontend price for the total price of 10 cards, that would be 10,04. But to have an exact outcome, it should take the VAT included price as a guide, or at least the price with 5 figures after the comma, which would result in 10,00004 which is not perfect but better. Is there any way to make this possible? The only solution I see now is to turn the price into 'no VAT' and make it 1 euro, but that is not a very good solution.
Thank you!
Sabine