It’s often theorized that humans first teamed up with cats in order to deter pests like rats and mice. Cats can also do a pretty good job at hunting and eating spiders. Provided the spider isn’t a deadly venomous species, it’s very rare that chowing down on a spider will make your cat sick.
Regularly cleaning your house can also help keep spiders at bay, as boring as that might sound. Simply by vacuuming or dusting your floors and the corners of rooms, you can disturb their nests and sweep up crumbs that could attract them. It will also reduce the number of small flies and mites, which spiders like to feed on.
You can also stop spiders from getting into your house by sealing up any cracks in the walls or draughty gaps in the floorboards. Most obviously of all, keep your windows and doors shut as much as possible.
Although this won’t be much help to genuine arachnophobes, it’s worth remembering that only a tiny number of the 43,000 species of spider are actually dangerous. Most are 100 percent harmless and not out to feast on your blood. Furthermore, they also play an important role in controlling a whole host of genuine pests like flies.
If all else fails and you’re still not convinced, you can always live in the world's first spider-proof shed with a “10-year anti-spider-infestation guarantee” for just $3,250.