Transaction fees depend on the currency pair you’re trying to exchange as well as the website you’re using. The best one to go with will greatly depend on the amount that is being exchanged and, again, what currencies are involved in the particular transaction.

That’s why it’s always a good idea to compare a few places every time you’re looking to trade. You can use free tools such as Switchain to see exactly how much you can get with some of the most used exchanges.

Most of them are equally user friendly and have similar safety features, so it doesn’t make too much sense sticking with the same one with every particular transaction.