Christin Perry is a freelance writer whose work has appeared in numerous outlets, including WeddingWire, The Knot, Parents and Verywell Family. When she's not working, Christin enjoys reading, ...

An inspection camera (or borescope) is invaluable for checking anything from engine cylinders and gun bores to plumbing and HVAC pipes. They come as self-contained devices, or as a gadget to use with ...