I’ve needed tax and property documents going back 20 years. I have many documents that I use extremely infrequently but will need eventually. Marginal cost of

I’ve needed tax and property documents going back 20 years. I have many documents that I use extremely infrequently but will need eventually. Marginal cost of storing 1,000,000 files over 1 is near zero. If I have to keep track of one file, I may as well keep track of many.