Preparing your home before leaving for a vacation usually involves a familiar checklist: locking doors, adjusting the thermostat, taking out the trash, and making sure appliances are turned off.
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Yet every so often, an unusual home tip starts making the rounds online and leaves homeowners wondering if they’ve been missing an important trick all along.
One such tip suggests covering your kitchen sink drain with a sheet of paper and placing an upside-down glass over it before heading out of town.
At first glance, the idea seems odd, even
