Book talks about yearly inventory with one simple word;
Regular
Question; how many businesses do you know that get by on one inventory?
Well let's just 10th step it.
Don't think so.
Did something happen to you when you last went through 4 to 9?
Well if so why the fuck would you want to deny yourself of that now?
If you've got 20 years sober in A.A. and got by on one inventory, then you're not sober with 20 years. What you've got is 6 months repeated 40 times.