This x1000. "Collecting" is a dangerous thing to do with anything really, even things that don't have a shelf life. You always feel pressured to get more to have things feel "complete", to keep up with new releases, to hunt down older parts of a set, etc. All of the highly coveted/hard to get/collectible cosmetics I've purchased over the years are now 90% either B2M or in the trash. They're not worth the plastic casing they're in anymore. Most people don't want to buy used, expired makeup so they have no re-sale value. Even if it hasn't been used a lot of people don't want it. I now only try to buy products I will love and use often. Often being the key word. I personally don't want to have collections of anything ever, I've seen what the end game of that can look like if you have a perfectionist personality type and it's not pretty. And yes, things are getting more expensive every year.. I can't chase that anymore either.