Do pets get the middle-of-summer blahs from the never-ending heat and humidity, like humans do? We sure hope not! But, just to be on the safe side, we'll pick up some new treats and toys (and some basic supplies, too) during the Hot Summer Savings Sale at Petco . The entire site - yes, ENTIRE site - is on sale for up to 40% off, and orders of $49 or more will ship for free with coupon code affaugustfs49. Coupon expires 08/25/2011. Hot Summer Sale ends 08/04/2011.