What do you do to keep from running out of cooking ingredients

I go shopping about once every two weeks. The rule in the house is that if you just used the last one or drank the last cup or ate all of it, you write down what it is you just finished on the shopping list on the fridge. You can find those magnetic shopping lists at the dollar store...I have tons of them for this exact purpose. I also have a menu list on the fridge...it lists the meals that are planned for the week(s). My boyfriend then knows what I need to have in the fridge so that I can cook - that means those ingredients are hands off. So far this has been working well.

What works well for me, when I bake or cook which is rare anymore, is to decide on what I want to bake in advance. I check the pantry to see if I do have the ingredients before even thinking about an item to bake. Not there, I either make a list, shop later or stop everything and go to the store. I never start a project unless I am certain the ingredients are at the house. I could ask a neighbor but would prefer not to.

I order all my groceries once in a month,even if have them i will order then and store it properly so that i wont run out of them.So i never run out of my ingredients.Regarding the very essential items like bread,egg,fruits i do shopping once in three days.