It's hard to predict. There have been improvements since the first generation "bronzed" CDRs such that they won't deteriorate as nearly as quickly. Most of mine

It's hard to predict. There have been improvements since the first generation "bronzed" CDRs such that they won't deteriorate as nearly as quickly. Most of mine will stay stored in their cases the majority of the time. I don't see my small collection as an appreciating asset so if it only lasts my lifetime, fine.