A carefully selected trade journal, delivered to your door each quarter for $15. A @timhwang joint.
For around 20 bucks you can buy this tiny with built-in wireless internet that you can use to build a ton of cool projects with.
A tiny keychain dongle that allows you to bypass text message two factor authentication which can be easily hacked.
I swear this stuff contains performance enhancing drugs. Buy at DC farmers markets or get it shipped