>> reporter: animal expert and veterinarian dr. liz hansen. tip number one, for your pet's meds, you don't always have to buy from your doc's office. the markup can hit over 100%. >> you would spend $600 for parasitic preventives. >> reporter: instead use apps like good rx or lowest med. it lets you compare prices at pharmacies in your neighborhood. for just one of kinzi's prescriptions, they're paying $120. we found the same medicine for $103.95. and whenever possible, buy generic. >> you can save 50% of your costs. >> reporter: tip number two, instead of a professional groomer -- >> $75 for grooming is a lot. >> reporter: consider self-assist pet washes and for grouping supplies use discount sites like petedge and chewy.com. >> you spend $740. we can get that down 70%. >> reporter: tip number three, for food and treats consider