That beautiful vintage dresser from the estate sale? It could be harboring powderpost beetles. The thrift store coat? Potential clothes moth larvae in the wool lining. The curbside bookshelf? German cockroach eggs in the hardware. Used items are one of the primary ways pests enter homes — and a 2-minute inspection prevents most problems.
Bed bugs are the biggest risk with used furniture — especially upholstered pieces, mattresses, and bed frames. Inspect every seam, crevice, screw hole, and fabric fold with a flashlight. Look for dark fecal spots (tiny ink-like dots), shed skins, and live bugs. Never take a used mattress — the bed bug risk is simply too high and the savings aren't worth a $1,500+ treatment.
Wooden furniture should be checked for powderpost beetle exit holes (tiny round holes with fine powder beneath) and cockroach evidence (dark spots in joints and hardware cavities).
Thrift store clothing can carry clothes moth eggs, carpet beetle larvae, and occasionally bed bugs or fleas. Wash and dry everything on high heat before bringing it into your closet. 130°F in the dryer for 30 minutes kills all life stages of all textile pests. Items that can't be machine-washed (vintage coats, delicate fabrics) can be sealed in a plastic bag and frozen for 72 hours as an alternative.
Used books can harbor silverfish, booklice, and carpet beetle larvae. Inspect the spine, between pages, and the binding. Musty-smelling books suggest moisture exposure that attracts silverfish and mold mites. For valuable book collections, isolate new acquisitions on a separate shelf for 2 weeks before integrating with existing books.
German cockroaches notoriously infest electronics — game consoles, printers, cable boxes, and computers. The warmth from electronics creates ideal cockroach microhabitat. Before bringing used electronics inside, inspect vents, ports, and any openings with a flashlight. Shake the item over a white surface — cockroach frass (dark specks) or live nymphs will fall out.