If you're playing a cash game at a casino and sit down with £100, then win £50 on the first hand, are you allowed to leave the table (cash out) then sit back down again straightaway (waiting list permitting) with )100 again?
Not in any game I've played in.
1. There is usually a minimum time you have to be 'away' from the table to sit down with min again.
2. If you play with people I regularly play with, you'd get lynched.