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here is a link to some supplies, I havent looked at prices, but youll have to do the homework :). DHgate.com also has some appliances and stuff. If anything you can use these for your own cooking. I dont know if you can sell the supplies themselves for a profit, as I do not know the going rate for items such as those. A suggestion might be to create your own recipe book for cakes to sell with supplies, people love bundle combos :)
-Benjamin