The answer to 'spider nests' is that spider nests are common signs of a spider infestation in your home. Spiders build nests to lay their eggs and provide shelter for their young. Common causes include entry points in your home's exterior, wood piles or other outdoor clutter, and damp or humid areas. Symptoms include seeing spiderwebs, egg sacs, or baby spiders emerging from nests.
For minor infestations, you can often remove spider nests yourself using a vacuum, broom, or insecticide spray. However, for larger or recurring infestations, it's best to call a professional pest control technician. They can properly identify the spider species, locate all nesting sites, and treat the problem using the right methods and products to fully eliminate the infestation.