The company sold me 24 months of heartgard pills with only a few months left before they expired ... and they admitted they KNEW this fact. They also REFUSED to ship me replacement USABLE-SAFE medication for my dog and i ended up having to waste a lot of time disputing my credit card ... i wish i had PAID FULL PRICE at petsmart instead of wasting all that time. BUT you need to be aware of this BECAUSE they may ship old meds out to someone besides me and MOST PEOPLE DO NOT EVEN CHECK THE EXPIRE DATE ... DO YOU GUESS THEY KNOW THaT FACT also ... read full review »