In very loose terms, a disposal is a handball or kick, and this bet is focused on which player you think will record the most during a game according to the official AFL statistician. If you find yourself wondering how many red lights you'll get on your way into work this is the bet for you.
Pick the player you think will make the most handballs and kicks during the game.
Your player must make the most disposals.
Most people bet a minimum of $1 as that secures at least one unit of the advertised fixed odds. Eg: If you bet $5, you win the fixed odds (as advertised at time of bet) multiplied by five.