I have a prepaid AT&T mobile number and want to use it's autopay option. But as I read and heard bad things about using debit card in online shopping, I don't know can I use my debit card or not? (I am an international student in US and my credit card is in the process until next month). I also like to know can I use my debit card to buy something from Amazon, Walmart, ebay and some other e-commerce site.? Are they safe to enter my debit card number and information?
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