Work it through honestly rather than dramatically. A typical year's taxable spending for a dog of this size — food, preventives, grooming supplies, gear, replacements — might land somewhere around a thousand to fifteen hundred dollars. In a neighbouring state charging six percent, that is roughly sixty to ninety dollars a year handed over in tax. Across a twelve-to-fifteen-year life it is comfortably several hundred dollars and can approach four figures.
That is not a transformative number and it should not be the reason anyone chooses where to live. What makes it worth a page is the shape of it: it is a saving that requires no effort, no shopping around and no compromise, and it accrues on exactly the purchases an owner makes without thinking. Most of the ways to save money on a dog involve either buying worse things or doing more work. This one involves neither.
The practical implication is small and real. Buy the recurring items locally rather than ordering them from a subscription service that charges tax based on where it ships from, and check that before assuming the online price is better. Buy the durable items here too — crates, beds, leads, grooming tools — since they are exactly the sort of thing people pick up while travelling. And if you are just starting out, note that the first-year setup list is the single largest taxable purchase you will make for this dog, which makes it the one most worth buying at home.