Crypto exchanges usually aim to rake in as much profit as they can from trading fees.
so trading directly with a bitcoin pair will save me fees in any way?
It's kind of obvious. Each individual trade comes with trade fees. The fewer trades you make, the lower your trading fees will be.
Do you know how triangular arbitrage works? That's one way to do it.
That will rarely happen. While both cryptocurrencies may follow the same price trend, it doesn't mean that the prices will change simultaneously. When bots are involved, even milliseconds can make a difference.
I could agree to the fact that most crypto exchanges charges higher when it comes to trading few. But there are few out there that uses coupon to offset this trading fee. I think if all exchanges could implement this, maybe trading might be less expensive for all