10 Things You Throw Away That You Should Absolutely Be Reusing
A few years ago, I started paying attention to what was in my trash bag each week. Not in an obsessive way, but out of genuine curiosity. I was shocked by how many useful items I was throwing away on a regular basis. Things that were perfectly functional, things I had actually paid money for, going straight into the landfill after a single use. Once I started noticing, I could not stop noticing. Now I save and reuse items that I previously discarded without a second thought, and it has saved me real money while significantly reducing my household waste. Here are ten things you are probably throwing away that deserve a second life.
Glass Jars and Bottles
I used to throw away every glass jar from pasta sauce, jam, pickles, and salsa. Now I wash them, remove the labels, and use them for everything. I store bulk pantry items like rice, beans, and oats in medium-sized jars. Small jars hold homemade salad dressings and sauces. Large jars are perfect for overnight oats, packed lunches, and iced tea in the fridge. I even use them as drinking glasses when I have guests over.
The trick to removing stubborn labels is soaking the jar in hot water with a little dish soap for ten minutes, then scrubbing with a baking soda paste. The adhesive comes right off. I keep a dedicated shelf in my pantry just for glass jars of various sizes, and I have not bought a plastic food storage container in over a year.
Why this works: Glass jars are durable, non-toxic, microwave-safe, dishwasher-safe, and infinitely reusable. They replace multiple single-purpose products in your kitchen, including plastic containers, plastic wrap, and disposable storage bags. The average household goes through dozens of glass jars per year, and each one represents a free storage container that you have already paid for.
Plastic Grocery Bags
Even though I have switched to reusable shopping bags, I somehow still accumulate plastic bags. They come from produce, from online orders, from the occasional impulse shopping trip without my reusable bags. Instead of throwing them away, I keep a designated drawer where I store them. I use them as small trash can liners for bathroom and bedroom bins. I use them for packing material when shipping items. They work as makeshift gloves for messy tasks like picking up something unpleasant. I even use them to separate wet clothes in my gym bag.
Why this works: Plastic bags are incredibly versatile and completely free. Using them as trash can liners replaces the need to buy dedicated small trash bags. As packing material, they replace bubble wrap or packing peanuts. The key is giving them a purpose before they enter the waste stream.
Old Toothbrushes
Every time I replace my toothbrush, I keep the old one for cleaning. Old toothbrushes are the absolute best tool for cleaning grout lines in tile, scrubbing around faucet bases, cleaning the chain on my bicycle, and detailing hard-to-reach corners. I keep one in the bathroom for tile cleaning and one in the kitchen for scrubbing around the sink and stove. They reach spaces that sponges and brushes simply cannot.
Why this works: Toothbrush bristles are designed for gentle but effective scrubbing in tight spaces. Their small size and angled heads make them ideal for precision cleaning tasks. They replace specialized cleaning brushes that cost five to ten dollars each and perform just as well for most household applications.
Cardboard Egg Cartons
I started saving cardboard egg cartons when I got into gardening, and they turned out to be useful for so many things. I use them as seed starter pots. Each cup holds a small amount of soil and a seed, and when the seedling is ready to transplant, you can cut the individual cup apart and plant it directly in the ground because the cardboard biodegrades naturally. I also use egg cartons to organize small items like screws, nails, buttons, beads, and earrings in my junk drawer. And my kids use them for paint palettes when doing art projects.
Why this works: Cardboard egg cartons are biodegradable, absorbent, and naturally divided into small compartments. As seed starters, they eliminate the need to buy plastic pots. As organizers, they replace small plastic bins and compartment boxes. Their structure makes them inherently useful for any task that involves separating small quantities of different items.
Coffee Grounds
After brewing coffee, I used to dump the grounds straight into the trash. Now I save them for multiple uses around the house. Coffee grounds are an excellent nitrogen-rich addition to compost. They can be mixed into garden soil as a slow-release fertilizer for acid-loving plants like tomatoes, blueberries, and roses. They work as a natural deodorizer in the refrigerator; just place a bowl of dried grounds on a shelf and they absorb odors within a day. I even use them as an exfoliating body scrub mixed with a little coconut oil.
Why this works: Coffee grounds contain nitrogen, potassium, phosphorus, and trace minerals that benefit soil and plants. Their granular texture makes them effective as a mild abrasive for cleaning and exfoliating. Their porous structure absorbs odors effectively. These properties make them useful long after the coffee has been brewed.
Old T-Shirts and Worn-Out Towels
When a t-shirt gets stained, stretched, or develops holes beyond repair, it does not go in the trash anymore. I cut old t-shirts into squares and use them as cleaning rags. They are absorbent, lint-free on smooth surfaces, and free. I keep a stack in the kitchen for wiping counters and another stack in the garage for dirty jobs. Old towels get cut into larger squares for mopping up spills or as drop cloths for painting projects.
Why this works: Cotton t-shirts are excellent cleaning cloths because they are soft, absorbent, and washable. Using them as rags eliminates the need for paper towels and disposable cleaning wipes, saving roughly 150 to 200 dollars per year per household. They can be washed and reused hundreds of times before they finally wear out.
Bread Tags and Rubber Bands
I keep a small jar in my kitchen drawer for bread tags and rubber bands from produce bundles. Bread tags make excellent cord organizers for labeling computer cables and phone chargers. Write on them with a marker and clip them onto the cord end. Rubber bands hold bundles of items together, seal opened bags, and keep phone cases from sliding off. It sounds trivial, but these tiny items serve real purposes that replace small items you would otherwise buy.
Why this works: Bread tags and rubber bands are small, durable fasteners that serve dozens of organizational purposes. Buying cord labels, cable ties, and bag clips separately costs a few dollars and generates additional packaging waste. Repurposing these free items achieves the same result at zero cost.
Plastic Containers From Takeout
I used to throw away every plastic container from takeout food. Now I wash them and reuse them. The round soup containers are perfect for packing leftovers and freezing portions. The rectangular containers with lids work for organizing small hardware, craft supplies, and desk drawers. I keep a stack in a cabinet and reach for them constantly. They may not look pretty, but they are free and functional.
Why this works: Takeout containers are made from food-safe plastic that is durable enough for multiple uses. They replace purchased storage containers at zero cost. While they will not last forever, getting five to ten additional uses from each container before recycling it significantly extends its useful life and delays its entry into the waste stream.
Newspaper and Brown Paper Bags
Newspaper is one of the most versatile items you can keep around. I use crumpled newspaper to clean windows and mirrors with vinegar solution because it leaves fewer streaks than paper towels. I wrap gifts in newspaper tied with twine for a simple, elegant presentation. Brown paper bags from grocery shopping become book covers, draft material for sketching, and even makeshift baking sheets for cookies when I run out of parchment paper.
Why this works: Newspaper is highly absorbent, lint-free, and naturally abrasive enough for glass cleaning without scratching. Brown paper is food-safe, sturdy, and biodegradable. Both materials replace purchased products at no cost and can be recycled or composted after their final use.
Envelope Junk Mail
The envelopes from junk mail, the ones without windows, are perfect for making shopping lists, notes, and small organizers. I slit them open, use the blank inside for lists and notes, and the outside pocket for holding receipts, coupons, and small flat items. It costs nothing and gives a second life to something that would otherwise go straight to recycling.
Why this works: Junk mail envelopes are free stationery. Using the blank interior as scratch paper and the pocket as a storage sleeve replaces sticky notes, notepads, and small organizers. It is a small savings per item, but the principle of reusing before discarding adds up across all the small items in your home.
Mistakes I Made When Starting to Reuse
The biggest mistake was trying to save everything at once, which turned my home into a hoarder’s paradise. Not everything deserves a second life. I learned to be selective and only save items that I have a specific, planned use for. Another mistake was not organizing my saved items, which meant I forgot what I had and ended up buying replacements anyway. Creating a simple organization system for reusable items, like the jar for bread tags and the shelf for glass jars, ensures you actually use what you save.
Final Thoughts
Reusing everyday items is not about being cheap or becoming a hoarder. It is about seeing the value in things you have already paid for and getting the full use out of them before they enter the waste stream. These ten items represent a small fraction of what most households throw away every week. Start by picking two or three from this list and consciously saving them. Once you see how easy and useful it is, you will start noticing other reusable items on your own. The money savings are real, but the reduction in waste feels even better.