Bankroll units

I’m trying to clean this up on my end and stop winging it every week.

For straight bets, how many units is your bankroll meant to be? I always see people talk like it’s obvious, but I’ve had weeks where I’m calling 1u one number and then after a reload it turns into a different number without me even meaning to do that.

Right now I’ve got about $800 set aside for betting and I’m thinking of locking 1u at $10 so I’ve got 80 units to work with. That sounds solid to me because it gives me room to play markets I like without one bad Saturday smashing it straight away.

But then when I get a little run going, or hit a promo and the balance jumps, I start wanting to move the unit up right there. That’s where I get messy. Should I only reset unit size at the start of the month, or do you lot change it as soon as the bankroll moves enough?

Same on the downside, if it drops hard do you cut unit size straight away or ride it where it was? I’m more interested in what people really do, not the low effort textbook answer where everyone says 1-2% and leaves it there.

Also if you do 80 units or 100 units or whatever, do you stick to that every single time or do you still take the odd 3u shot when the number is sitting there and it looks too good to leave alone