Bed bug prevention: routines that save you a few thousand dollars

Where the risk actually lives

• Travel luggage. Hotels, motels, hostels, Airbnbs, vacation rentals, RVs, sleeper trains. The single largest introduction vector.
• Used furniture. Upholstered chairs, sofas, mattresses, bed frames from Craigslist, Facebook Marketplace, estate sales, curbside. Especially upholstered items.
• Visiting an infested home. Family, friends, workplace where someone has bed bugs. Bugs can ride home on clothing or in a bag.
• Shared building voids. Multi-unit buildings where bed bugs travel between units through cable risers, wall voids, and shared utility chases.
• Items brought home from secondhand stores. Used books, stuffed animals, vintage clothing, shoes.

Travel routine

The single highest-impact prevention. The Wang Lab and EPA travel checklist:

1. Before booking: spend two minutes scanning recent TripAdvisor and Google reviews of the property for the words "bed bug", "bugs", "bites", "insects", filtered to the last 6 to 12 months. That single habit catches more future problems than any directory or registry.
2. On check-in: luggage goes on the rack or in the bathtub, never on the bed and never on the floor. Jackets on the bathroom hook, not the upholstered chair.
3. 5-minute inspection: mattress seams, headboard (especially upholstered), box-spring fabric, bed-frame joints. Detail in hotel bed bug check.
4. During the stay: clothes stay in luggage or on hangers, never in hotel dresser drawers. Dirty laundry into a separate plastic bag.
5. Before heading home: quick check of luggage exterior, inside pockets and zipper tracks.
6. Arriving home: open the suitcase on the balcony, in the garage or in the bathtub, never the bedroom. Clothes straight to 60°C wash + 45 min high-heat dry. The suitcase itself: heat chamber, or seal it in a large plastic bag with a pest strip for 30 days, or just leave it in a car on a hot summer day (interior reaches 60°C easily in direct sun).

Used furniture: the rule

Secondhand upholstered furniture is the second most common bed bug vector after travel. The math is unforgiving: even careful inspection misses bugs in seams and frame voids. For mattresses and upholstered seating from unknown provenance, the safer rule is just don't.

• Curbside furniture: leave it. Especially mattresses, sofas, upholstered chairs. The reason it's at the curb is sometimes exactly the reason you don't want it.
• Before buying: inspect seams, joints, screw holes, the underside of cushions with a flashlight. Look for live bugs, eggs, fecal staining or casings.
• Treat before the item enters your home. Heat chamber outside, or strip and seal in plastic for 30 days. Hard furniture (wood, metal) can be steam-treated along all joints. Soft upholstered items: very high risk. the budget price isn't worth the infestation potential.
• Ask the seller honestly: any bed bug history in the home in the past 12 months? Honest answers save everyone trouble.

Visiting an infested home

If you have to visit a home with an active infestation, to help a family member, for work, the Wang protocol matches what pest professionals do in the field:

• Dedicated "visit clothes": a specific outfit and shoes used only for those visits.
• On returning home: visit clothes directly into a sealed bag, then 60°C wash + high-heat dry. Or into the heat chamber.
• Shoes outdoors: leave them on the porch or in a sealed plastic bag until you can heat-treat.
• Don't bring anything home: not in your bag, not in a wrapped gift, not in any "sealed" container.

Multi-unit building precautions

If you live in an apartment, condo or dorm, your neighbors are your bed bug risk. You can't eliminate that risk entirely. bugs travel through cable risers, shared HVAC and wall voids. but you can substantially reduce it:

• Seal cable risers and outlet boxes. Foam sealant around cable entries, outlet gaskets behind cover plates. Doesn't block determined bugs but removes the easy path.
• Encasement on the mattress and box spring as baseline. Even without a known infestation, encasing eliminates ~80% of the harborage in a typical bedroom.
• Interceptors under bed legs as monitoring. Cheap, no false negatives, catches incoming bugs before they establish.
• Report neighbors' infestations to building management promptly. Most jurisdictions require coordinated treatment for multi-unit infestations; the landlord has to act.