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I disagree, when the amount traded is quite high,fees is no where comparable to profit

Suppose i transfer, btc worth $1k to polo and buy 190 sbd
Then i sell 190 sbd at 11$ then my 1k$ btc turns to somewhere around 2k$ btc

And then comes the fees which will be max 50$ total in this process which is no where comparable to a profit of 1000$

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