all forms of betting offered is a tough racket
focus on what you enjoy, on what you can afford, and 'enhance' your entertainment while you enjoy the action
Stewards are inconsistent. That hurts integrity. Lot of bad-beats, and general annoyance. It could be a 'pet-peeve' if you obsess over it.
The pros and pro teams... are betting 'overlays' and they are betting within a bet-size / bankroll philosophy... It doesn't phase those players any more than any other loss.
if you want more out of it, I can't write anything useful to you in a brief post