Millions of dollars are spent each year by the US government to keep certain substances away from you. The paradox of it is that efforts to stop drug trafficking actually make the drugs themselves more valuable. As more of your tax dollars are sucked away, the traffickers wallets get fatter and fatter. All over substances that could be regulated, sold, and sin-taxed to help the economy.
This guide details the best way I have found to preserve your substances using nothing but the baggy it comes in.