Let’s talk about why they stay. Spiders are not fans of freezing, boiling, or drying out. Your house gives them stable temperature and humidity—a luxury they don't get outside.
But the real reason is food. Where there are spiders, there are bugs. If you have a few flies, ants, or moths, you are basically running a free buffet for spiders. They aren’t there for you; they’re there for the tiny snacks.
Think of it this way: a spider in your corner is like a tiny, silent security guard. It’s just sitting there, waiting for a mosquito to wander by. Pretty useful, right?
The Cool, Gross Truth
Here’s the part that blows my mind: some spiders can balloon into your house. They shoot out a silk thread and let the wind carry them. A spider can literally fly onto your roof and drop down a chimney.
Why Spiders Come In Your House at Ruby Najar blog
And yes, they can also come up through drains. It’s rare, but some small spiders can survive a trip through pipes. Imagine hanging out in the bathtub and seeing a little hairy leg pop up—just a curious traveler, not a monster.
Most spiders are terrified of you. Your footsteps feel like earthquakes to them. They’re not plotting to bite you; they’re plotting to hide under the baseboard until you leave the room.