Vacuum sealing absolutely makes a difference, especially if you’re dealing with limited cupboard space and worried about pantry moths or weevils. I’ve found that combining vacuum-sealed mylar bags with small food-safe oxygen absorbers keeps rice and beans fresh for literally years. Those little bags can get tucked into all sorts of nooks—under beds, back of closets, even inside old luggage if you’re low on storage.
Glass jars are great too (I use them for oats and pasta), just make sure you’re using real canning jars since regular glass sometimes doesn’t seal tight enough and I’ve had a couple ant invasions that way. Plastic’s lighter for stacking but you have to check for BPA and some smell can leach in over time.
One trick I picked up is to freeze dry rice or beans first for a few days—