I think they're pretty spendy, and it would require planning ahead. There's also the quantity issue. When I'm finished with dinner, I want it done. I don't like leftovers. That's just a bacterial time bomb for the fridge, and I feel obligated to eat the stuff whether I want it or not. I probably more often than not don't eat it, and then it makes more waste.
I'm doing alright with my limited (easy)repertoire, and interesting stuff like the salmon shows up often enough to break the routine. That's one thing I really like about aldi. They get often get "special purchase" stuff that shows up, and disappears fast. Makes going to the store interesting. I've also been getting "chopped salad" kits from Sprouts. $5 a bag which equals 1 dinner, but it gets eaten without waste. It's cabbage and other firm vegetables, so it has a reasonable shelf life in the fridge. More often than not, I'll buy salad stuff, then don't want a salad til everything's slimy. I have some spring mix in the fridge now that has to go to compost. I did better with that bag than I usually do. Ate 80% of it before it went off.