It is an old tutorial
HOLD UP! Many exchanges will charge you Gas to Send crypto. We aren't going to go into the details here, but if they charge gas, you need to watch gas prices so you don't get hit with expensive transaction fees.
HOLD UP! Watch out for gas prices! Remember our little chat about gas prices earlier. Well, here they are again. Pay attention!
HOLD UP! (what? again? YUP!) Watch out for gas prices! If you just did the previous transaction step and were happy with the price, keep going.