You are lucky. I was trying to get a refund from fax site where they let you enter a value into dropdown and then happily charge you default value. I tried to

You are lucky. I was trying to get a refund from fax site where they let you enter a value into dropdown and then happily charge you default value. I tried to dispute it with them, tried to dispute with Paypal and itdidn't protected me, even if I had evidence in a way of showing how the UI is not working and the charge - the answer was always "not enough documents provided". Luckily it was only $10, but maybe I should also have posted on HN