How about you give it a go first, and find out what works for you
You can read all the books you want about swimming, and ask swimmers all sorts of questions. You won't learn how until you jump in the water.
"Consensus is the absence of leadership." Margaret Thatcher
"I'm fascinated with how primitive the human mind still is. It can be misdirected so easily." John Gaughan
"Success is uncommon. Therefore, not to be enjoyed by the common man." Cal Stoll