If you are using a SS press, then it make sence to economize on dies since you wil need to adjust them every time you preform a different step. If you are using a progressive press, you probably want to adjust the dies once and leave them, so trying to save a few bucks is not worth it.
In .380 amd other small case ammo, I would avoid Hornady dies. Unfortuately, I have crushed a few cases in my day and the one constant is that these usually happen with Hornady sizing dies. I think their tapper used to direct the case in to the die is extreme and this causes issues, at least for me.