A lingering cat smell or dog smell in a house can be quite a headache. Even if residents of the home become so used to the smells they no longer notice, you can bet guests and potential buyers will.

Donald picked the cat. OK? Now, let's learn about these allergies that ruined my life. Allergies happen when your immune system thinks a substance, like stupid pet dander, is a dangerous intruder.

From the best cordless vacuum to no-nonsense, corded models, budget-friendly vacs to premium powerhouses, these vacuums are designed to efficiently suck up pet hair, dander and allergens ...