And a non-simple solution is to write an iPhone app that scans QR codes that you print onto stickers that put on all your food so you can keep track of the expi

And a non-simple solution is to write an iPhone app that scans QR codes that you print onto stickers that put on all your food so you can keep track of the expiration/purchase dates... I know because that's the route I took haha. I won't pretend it was the BEST use of my time but it was fun and I can easily see how much I have of everything and where in my house it's located.