A good medium is 3% per play. For example, if you're starting with a bankroll of $100, you should risk $3 on every bet. If you're starting with $1000, you should risk $30 on every bet. Your unit size would be $3 or $30, respectively.
The best strategy in sports betting
1
An over or under bet.
2
Over or under bets per team.
3
Handicap victories, i.e. victories with a difference of several goals.
4
Low winning odds.
5
Half-time bets.
6
Early or late goals.
