I have a winchester (2.5 Litres) of 1M of Sulfuric, Hydrochloric, Acetic and Nitric Acid and Sodium Hydroxide in each of my 3 prep rooms as well as a winchester of 4M of each in the Chem store so I can make up a 1M at a moments notice.
At certain times of the year I can go through several winchesters of Hydrochloric Acid and Sodium Hydroxide each week.
There are also a couple of 500 ml bottles of more dilute acid and base solutions that are made up as needed and then kept until they are empty.
Most of my other chemicals ( eg copper sulfate, Lead Nitrate) are made up in 0.1M and 1m solutions in 500ml and 250 ml bottles. I also have class sets of 10 dropper bottles of 0.1 solution in a large variety of Nitrates, sulfates, chlorides and carbonates for precipitation and other pracs.