What's the easiest way to give someone access to my checking account?

Question by : What's the easiest way to give someone access to my checking account?
I have two student checking accounts, one at Chase and one at CitiBank, but I don't need both of them. I was thinking of transferring all of my money to Chase and giving access at CitiBank to my sister who has pretty bad credit (It's getting better slowly, but she can't get her own account yet). The account has no credit capabilities and no overdraft protection, so I'm not worried that she'd screw me over

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