OK - since I think most would agree that things are expensive most places (I'm from US, and now live in UK, so am familiar with both) how about we post some of our BEST cost-saving ideas here......
I will start with a one of mine:
Put any leftover veg in a container in the freezer. Add to it daily till it is full, then make yummy veg soup or add to stew. The various seasonings you put on the veg originally (if any) actually combine beautifully!!