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Use a fan. You know what can blow money all around a room and keep it flowing way more effectively than your own bare hands? A giant fan. Set it on a high level with enough room in front of it to add your stacks o' cash. Turn it to the on position when it's not plugged in. That way, when you go to plug it in, you're in front of it when it turns on, ready to get rained on and rained on and rained on as your dead presidents swirl through the air.