I generally only keep around £300 in the account for when I'm grinding the 25s as that gives me 13 or 14 buy ins. If I bust that in a day then I generally just call it quits and start again with the same amount the next day, which helps limit any losses. Anything I win (say I finish the day on £800), I will withdraw and start the next day with the £300. My bankroll is sufficiently large enough to sustain a long downswing at the 25s but who knows if my mental game is
If the mental game is the potential bottleneck then put in little extra effort in that part. Always better to be proactive and try to mitigate eventual risks before they taken place You can do it mate @Brocky!