Earlier quoted context omitted.
> Everything in the world has a U-shaped value curve. On this point, a good thing to do is to keep some of the ubiquitous everyday things when you want to throw them away. Especially outdated technology like, say, old mobile phones. In 50 years they will become a rarity.
True, but you have to count in your holding costs. Even a roman penny (whatever the equivalent was) is not worth that much because there were so many made. Yes, it's worth more now than it was back then, but if you consider the holding costs for that long, it's a losing proposition. Holding costs you ask? Well, if you pay $10000 sq/ft/yr for your house (renting, buying, whatever) then it 'costs' you a fraction of tha…
(Apparently the people at HN tend to think of everything as a business opportunity ;) )