There is a serious and growing rodent problem on the Lower Mainland for a variety of reasons including the mild climate and individual composting efforts.
Pests have cycles just like all life does. Coming into the house for shelter is normal for them. Treating home pests requires understanding this. Read more here.
The steps for controlling spiders at home are the methods used for other pests including maintaining the exterior and bringing in professionals if needed. Read here to learn more.
An ant problem is managed in similar ways as other pests. There are homemade remedies, traps, assessing exterior access points and hiring a professional.