Save-A-Lot review: closing early

I live a two minute walk away from this save a lot and I like going there for the prices. I understand that closing time is 8pm, but I just went there to purchase coffee creamer. Knowing that there was only a few minutes but I knew where I was going in the store I would have been at the register within one minute of stepping foot in the store. As I walked in the side walk of the store, the cashier locked the door. It was 756 pm. I work at tops and I understand wanting to go home, but there is no reason that the cashier closed that few minutes early. I am fine taking all of my money and my families money to tops. I prefer shopping at save a lot considering the prices are wonderful but I would appreciate if someone would oversee that the cashiers keep the store open till 8 pm as it is set on the doors and online. That is just the correct thing to do! Thank you. Have a nice day!