Maybe the off chain transactions that can be done from exchange A to exchange A. It will cost you nothing if that's the amount you'll send.

But I don't know if that's the minimum amount you can send because it's most likely that it's more than that amount.

It's a dusttiny amount and so it's unlikely you'll be able to send that and have to pay for more so you'll get either the minimum requirement amount to transfer or fee.

Maybe the off chain transactions that can be done from exchange A to exchange A. It will cost you nothing if that's the amount you'll send.

But I don't know if that's the minimum amount you can send because it's most likely that it's more than that amount.

It's a dust amount and so it's unlikely you'll be able to send that and have to pay for more so you'll get either the minimum transfer or fee.