Although it isn’t a substitute for proper plumbing maintenance, it can be a quick, inexpensive precaution that takes only a moment to set up before leaving for vacation.
The real key to protecting your home, however, is a combination of good housekeeping and smart preparation. Cleaning your drains, taking out the trash, checking for plumbing issues, and following a thorough pre-trip checklist will do
far more to keep your home fresh and problem-free than any single hack alone.
When paired with these habits, the upside-down glass trick becomes one small but useful step toward returning home to a clean, comfortable, and worry-free space.