If I don't have my card or bank account linked to my paypal-account and I have 0 value in my account, any of my purchases can't go trough right? I have a flight purchase marked as "waiting" and it didn't go through for some reason. I contacted flight company and paypal via phone but both told me that they can't do anything. I need to buy my flights and I don't have time to wait if it will go through or not. So if my account hasn't any money and I haven't linked any payment methods such as card or bank the payment can't be done later?