Cigarettes are rapidly being replaced by vaping.
Buy an assorted load of top quality and also of highly popular brand-name coffin-nails, and store them in deep-freeze for a century.
People collect all sorts of crap, so obsessive types who like collecting sets will probably pay top dollar for whichever brands of smokes they need to complete or advance their collection, and connoisseurs of luxury items will likely pay for anything consumable but no longer available. So for that crowd you stash away the exclusive and iconic cigarettes, such as Sobranie, Treasurer, Karella, Nat Sherman and Davidoff.
Popular electronic items will be worth sod all. They’re manufactured in millions, and often get put away when owners have finished with them so there will still be loads of those around in 100 years time. Plus anything lithium battery powered will likely have permanently dead and unrechargeable batteries by then. Early home computers and consoles are already expensive collectibles though.