You never know what might be hiding in a closet, attic, basement, or kitchen cabinet. Many everyday household items have become highly collectible over the years, and what once seemed ordinary could now be worth hundreds or even thousands of dollars.

Before you donate, throw away, or sell something for a few dollars at a yard sale, it’s worth taking a closer look. Here are 12 common household items that could be surprisingly valuable.

Vintage VHS Tapes

Most VHS tapes have little value today, but certain rare titles are still sought after by collectors. Original releases, limited editions, and hard-to-find movies can sometimes sell for hundreds of dollars if they’re in excellent condition.

Comic Books

Old comic books can be worth far more than their original cover price, especially if they’re in good condition and feature popular superheroes or first appearances. Even comics from the 1970s and 1980s can command impressive prices depending on their rarity and demand.

Lionel Train Sets

Vintage Lionel train sets remain popular with collectors and model railroad enthusiasts. Complete sets with their original boxes, tracks, and accessories typically sell for much more than individual pieces.

Vintage Guitars

An old guitar gathering dust in the corner could be worth more than you realize, especially if it’s made by brands like Gibson, Fender, or Martin. Even if you don’t play, it’s worth researching the model before selling it at a garage sale.

Old Cell Phones

Believe it or not, some outdated cell phones have become collectible pieces of technology. Early Motorola models, first-generation smartphones, and original iPhones still in their packaging can sell for surprisingly high prices.

Persian Rugs

Hand-knotted Persian rugs are known for their craftsmanship and often hold their value for decades. Older rugs in good condition, especially those made with natural dyes and traditional patterns, can be worth hundreds or even thousands of dollars.

Vintage Typewriters

Typewriters have become popular with collectors, writers, and vintage décor enthusiasts. Brands like Remington, Royal, Hermes, and Olivetti are especially desirable when they’re complete and still in working condition.

Sporting Equipment

Quality sporting equipment doesn’t always lose its value after a season or two. Gently used golf clubs, baseball gear, bicycles, skis, and fitness equipment can often be resold for a respectable amount.

Handmade Quilts

Handmade quilts are appreciated for both their craftsmanship and history. Older quilts with unique stitching, regional patterns, or documented family history are especially attractive to collectors.

Vintage Pyrex and CorningWare

That colorful casserole dish sitting in your cabinet may be worth much more than you think. Certain vintage Pyrex and CorningWare patterns have developed a loyal collector following, with rare pieces selling for substantial amounts.

Vintage T-Shirts

Old concert shirts, sports tees, and graphic T-shirts have become one of the hottest collectibles in recent years. Shirts from popular bands, major sporting events, or iconic brands can sometimes sell for hundreds or even thousands of dollars.

Barbie Dolls

Many collectible Barbie dolls have increased dramatically in value over the years. Limited editions, designer collaborations, and dolls that remain unopened in their original packaging are often the most valuable to collectors.