How many times have you been making a dish, cooking dinner and thought, I don’t have such and such ingredient, I need to go buy it? Sometimes, it’s an ingredient you don’t use often or will never use again. Oftentimes, it’s something with a cheaper alternative. Things that come to mind are spices. and dairy products.
Here’s a link to a site that offers a list of replacements for many of the things we rush out to buy.