I'm going to take what I want from the 7/11 when no one was there to ring me up
Why do you want to steal from the 7/11?
I don't want to waste my time waiting for a cashier.
It sounds like you are quite impatient. It is wrong to steal from a business. It is also illegal and you could go to jail.
You are not considering my time. They are also taking from me.
You have no right to their property. Do you not know they have video cameras all over the place? The workers could have been in the backroom or on break, you should be patient.