I took my two dogs in for a wellness check and, primarily, to get a renewed prescription for heartworm and flea prevention. The visit for the two ran me $311, which was high, but acceptable. We did have to wait more than an hour past the appointment time to be seen, which is tough with two active dogs. But what is prompting this review is the clinic's greed in terms of prescriptions. I told the vet tech that I wanted the same product that the dogs had been on, which was one monthly pill that prevented both fleas and heartworm. She acted like she didn't hear me, and she proceeded to ask me to choose between a pill and a shot vs. two pills. When I clarified that I wanted to keep them on the pill that handles both, she told me that they didn't have it and again tried to force a decision on what they carried at the clinic. I told her that I would take it up with the vet when she came in to see us. The vet told me that I could indeed get the prescription I wanted, Sentinel, online and gave me the web address to the clinic's online store. I priced the prescription at their online store and then at 1-800-PETMEDS and found the difference between the two to be over $93. I placed the order with 1-800-PETMEDS and waited for confirmation that Grandview Vet had authorized the order. Several days later, I received an email from PETMEDS to contact my vet about the prescription. The woman I spoke with at the vet's office told me that they would not authorize the prescription from PETMEDS. She didn't even think that Sentinel was available and told me that they were probably sending out expired medications. I told her that the same medicine was available on their own website at a huge mark-up. She expressed surprise but again told me that the clinic would not authorize that purchase. It is clear that this clinic is not satisfied with the $311 they have already gotten from me. The only reason to insist on use of their own online store is to make a tidy profit. I am very upset that I must now make a new appointment with another vet to obtain the prescriptions my dogs need.