best way to learn to cast a baitcaster is this-

use very heavy(25#mono), cheap line at first, in the yard. use very heavy sinker 3oz. crank the cast control way up. now you can loosen it as you get better. the heavy gear makes it way less sensitive to to over spool, and makes your thumb learn faster. 2dollar spool of kmart junk line because you will be cutting it off at some point! as you get farther and farther in your casting you will birds nest or you arent human. when you master the heavy weight gradually drop back on that too. when you get down to, and are good at casting a 1/2oz. sinker, switch line out. go down to like 15# cheap line. you will have another session in learning to cast the lighter sinkers. this is where you get good at it. keep your knife handy still. you will get good after a couple weeks of practice.

there are a lot of things that can effect the casting of bait caster rods n reels. every one you pick up to use will be different and have its quirks. a limber tip rod and light lures can really give you fits on the back lash. they are finicky beasts but can be worth the hassles at times. and last, never ever think you are beyond back lashes!

good luck in your journey sir!