I am at a point that I am comfortable in the amount of ammo I have in each caliber I mainly shoot, but I continue to buy it anyway.
I am trying to resist new gun purchases going forward, and focusing on ammo/accessories.
5.56, 7.62x39, 308, 9mm, 22lr, and 300blk. I try and buy a 1000 rnds of one of these calibers a month. Not every caliber, I choose 1 or 2.
I have other calibers as well, but not in the bulk numbers that I have the main calibers listed.
I have also started buying the suppressors for each caliber as well. So far I have 22lr and 30 cal and I want to fill in the gap. I have yet to get into the QD mounted and still do direct thread. I need to learn more about the subject before I make those purchases.
For me I guess you could ask how low would you be comfortable going with ammo on hand before you stopped shooting. I think that number would be around 3k rounds