Boombap, below is my braid setups.
30lb braid for spinnerbaits, topwaters, and basically any other horizontal type baits where you are casting. However now I have gone back to 17lb mono or fluorocarbon when throwing the above.
50lb or 65lb braid is what I use for topwater frog fishing in heavy cover.
50lb for flipping and pitching
80lb for punching slop mats and dunking thick weedbeds.
You didn't ask about spinning, but I go with straight 20lb, doesn't matter what I am throwing when I use braid.
Backlashes are due to user error mostly. In time they slow down, but never go away. I still get them, especially when there is a camera boat around or some folks watching from shore
Good Luck,
Phil