Massive purity tax on that, which you don't need to pay if you're stockpiling. Pay the purification later, when it will probably be cheaper in real terms and you won't have tied up your capital for a century either.
@gbj_tester started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
Massive purity tax on that, which you don't need to pay if you're stockpiling. Pay the purification later, when it will probably be cheaper in real terms and you won't have tied up your capital for a century either.