Even the Dark Lord eventually finds out this the hard way: you want something done right, you gotta do it yourself.
Thanos may have to wait until May 2018 when Avengers: Infinity War Part I is scheduled to be released to wield his gauntlet with the Infinity Stones in the MCU, but ThinkGeek has gone and pilfered a few of them (in our spare time), and you can wield this Infinity Gauntlet Bank today. You just gotta promise us you're going to use it to store your coins and not to kill half of the universe. k? k.