Fund Exchange Tricks?

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Does anyone know any tricks for exchangeing fund that you get paid to your PayPal account to make it into more money? For example, mylot pays in US funds, I live in Canada, so I have to exchange the money I recive into Canadian Funds. What I am wondering is, is there some other form of currency that I could exchange the US funds into before exchangeing it into Canadian that would make it work out to more money in the end?