Free videos like How To Build A High-Tech Spy Stethoscope ...for under $25.00! are teaching creepy apartment neighbors and landlords how to listen-in to your bedroom bashes, lover's quarrels and other private confabulations.
Kevin's Cheap Countermeasure:
Mount one of these on the common wall.
- Make the pervert think the plumbing is leaking. $49.00
- Make the creep think the steam pipe is leaking. $8.00 - $200.00
(Look for the $8.00, B001 "Soothing Shell" on eBay.)
- Get an old FM radio with remote speakers. Hang the speakers on the wall - backwards. Tune to the static sound in-between stations. You only need to play this at a very low volume. After a short period of time you won't even notice the hissing sound yourself. $0.00 - $eBay.