Context: my family is middle class in a "cheaper" state. I am 25 years old and still living with them until I can save up enough to move out. I have offered to do the grocery shopping and cook most of the meals, but that doesn't stop the overbuying of food. This is going to be half ranting, half complaining. Essentially what is on the tin. This January, I got extremely frustrated and made an entire powerpoint showing my parents (mainly my mom) how much food we waste each month, its effects on the environment, and how much money is wasted on groceries. I'm not talking an item or two every few weeks; I am talking multiple leftover meals, uncooked/uneaten veg, sauces/condiments that haven't been touched in forever, etc. I also pointed out that shopping for perishables at a bulk store (think: Costco, Sams, etc) only counts as "saving" if the food is actually eaten.…