A young man and his wife run
BrassmanBrass.com
and when they have inventory it is generally priced within reach.
I have acquired thousands of pieces of brass and bullets from them and not a single issue of any type have I ever had.
As a suggestion....keep your eyes peeled for 9mm 115 and or 124 grain FMJ in 1,000 count order size. Same for brass and small pistol primers. Can't speak for 44 mag, on your own.
As MUP has said, he has a routine he follows in the search for resources at reasonable prices. Develop your own list and start seeking. Join all the web sites you visit. Use a single unique credit card. Build shortcuts that go DIRECT to the page you want to look at. So one click and you are lookling at 9mm projectiles at Joesbullets. Some places I visit 3 and 4 times a day.
If you don't you'll be seeing a lot of the out of stock notices.
And as mentioned elsewhere, when the clouds are drawn back and reasonableness returns, don;t ever be caught short stocked.