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Carrying that much cash would actually freak me out more than the possibility of my card being fraudulently used. After having about $300 stolen on a trip a couple of years ago I carry minimum amounts of cash. Even though it can be a hassle getting money back from the banks so far I've always got it back and in only one case did I catch it before the bank did. The cash was gone for good, but to each their own.
I 'Open Carry' a full size pistol (in a level 3 retention duty style holster) to deter would be muggers, and conceal carry a backup gun or two as well in case someone were to try and make a move for my primary.
Back on topic I have 2 different carts loaded up with hardware, 1 cart loaded with nic, pg/vg loaded in my amazon cart, and one or two ejuice carts loaded up some new juices (with plans to buy some of my favorite juices locally) that I plan to order in the next month or two but the contents of said carts keep changing as I try and decide how much of everything I want and how much I want to spend.... this is not going be cheap.......