1. How often is a bookmaker wrong?
2. What is his most common mistake?
3. Why do high rates work?
4. Are bookmaker mistakes always impossible to predict?
5. What does the bookmaker overestimate and underestimate (incorrectly estimate)?
6. Why does a bookmaker make mistakes?
7. How can a bookmaker follow the herd reflex of other bookmakers?
(Errors in bookmakers copying odds from each other).
Below are just my brief thoughts on the above questions -
1- Hard to get the stats, but the sure answer is - they can be wrong also with their predictions, they are not perfect so to speak
2- Not considering some hidden injuries or situations of the athletes involved or the strategies of the team itself, so giving wrong odds
3- Because that's where the bookie is also earning good money
4- Not really, if you live and breath the sports, you can also spot the mistakes at once
5- Odds - they have their algorithm, but how good they are is the question? What are the criteria considered?
6- Because they don't have the crystal ball, remember even if it is done by AI, still they are blinded with some factors significant in the game
7- For sure, they are also checking the odds of their competitors and alter it, if they need to change it.