I Kept getting text alerts from my credit card daily alerting me of charges to iTunes. I was not buying anything & the 2 adults in my family & child who must have permission to buy had not bought anything, either. I will dispute the charges but in the meantime, I edited payment inform & deleted the card number. When I logged in to look @ payment info, it stated on every device that no payment info had been provided. if you want a free App, you must have payment info on file which is pretty ridiculous. Right now, I'm not worried about free Apps but about who has my information & is using it daily. Charges are only from $1.03 to $2.99 but daily, it adds up over a month. So you can remove your card without a "none option". i also changed the family sharing password.