Figure skates can be very expensive, and often require an long breaking in and/or modification phase, and their breakdown can affect athletic performance and injuries, so many of us worry about boot longevity. Increasingly, ordinary athletic shoes can also be fairly expensive, so it's a factor there too.
I'm not sure how well this page on factors contributing to shoe longevity relates to figure skating boots, but many of the same principles might apply:
MOST DURABLE RUNNING SHOES OF 2019 (https://www.solereview.com/most-durable-running-shoes-of-2017)
Anyone have other articles to suggest on this matter?