The benefits of owning a pet are almost limitless. For instance, did you know that pet owners usually have a lower level of cholesterol and lower triglycerides? People with pets also tend to have lower heart rates and blood pressures, and we're sure you're already familiar with all the emotional benefits of owning one. So treat your furry health enducing pal to something new at Petco and use coupon code AFFREG to save $5 off orders of $50 or more through 07/29/2011.