Exactly. Everyone’s seemingly in “buy & conserve mode”, right now.
Most assuredly. I practice with .38 not .357. Use 20-30 target grade 9mm.
Interestingly, I got a crosman CO2 pellet pistol that resembles a Colt Python. I make the same mistakes with it I do with a real pistol, so its good cheap practice to wait out the current shortage.