Every "buy it for life" recommendation has the same flaw: the person recommending it owned the thing for three months.
I run a durability review site (durablepicks.com) with one editorial rule to fix that: nothing gets recommended until it has survived two years of my daily use. Before that mark it is a field report, not a recommendation. Three things the two-year clock catches that no review period catches:
Failure modes that start late. Zippers die at month 14, not day 3. Nonstick coatings fail around month 19, when the return window is a joke and the warranty process is where the real review begins.
Warranty language that changes meaning. I have watched "lifetime guarantee" quietly become "product line lifetime" after an acquisition, twice. The fine print from purchase day is not always the fine print that honors your claim in year three.
Cost per decade instead of cost now. A $90 pan that needs one $14 handle replacement at month 20 still beats a $60 pan replaced whole at month 19. You only see that number if you track repairs and divide by years of service.
Eleven items have passed my two-year mark so far. The pattern so far: mid-price gear with standardized parts outlasts premium gear with proprietary parts in 8 of 11 pairings, and two of the most durable items in the entire test set cost under $40.
The running cost-per-decade table, repair logs, and the template I use to track all of it are at durablepicks.com. If you own something that has survived two years of daily use, the submissions form is open and field reports get credited.