Arbitrage basics

What a surebet is, how often it appears, what it costs and how bookmakers price their odds.

Surebets explained with real odds and data from 24,052 matches.
Everything that can turn a calculated surebet into a loss, and how to prevent it.
Accounts, money, tools and a first surebet, step by step.
Expected value, closing odds and variance: what still pays.
The margin formula, the balanced book myth and margins by market.