Started out with 36 using an 808d. I went to 24 which I still have a bit of, then reduced down to 18 and have some 6 for night time.
I started with 48 MG. I still use 36 MG about 50% of the time and about 24 to 30 MG the rest of the time. I would say that I am a moderate to heavy user, but I can go for extended periods without if needed like in a meeting etc.
At work, where I do not want to be caught vaping, I vape 36mg unflavored PG. PG because it gives less vapor then VG. 36mg because I can go a long time between puffs; and unflavored because it does not have any smell. Other time I vape between 18mg and 24mg pg/vg mixes in a variety of flavors.