I have developed methods that have kept me squib/kaboom free for well over 40 years. I set my powder measure with my RCBS 505 and then see what that "target load" reads on my digital (often not exactly the same) and I'll use that weight for a bit faster powder charging and checking every few charges on my beam scale. I mostly use a loading block with the charged cases spaced out with one hole skipped between cases. I'll have the primed empties in a container loose and pick up one case, set it in the block, and charge it dirctly from the scal into the case. After a block full (25-50 rounds depending on which block I use). I'll use my high power LED flashlight to look in every case. Every case, handgun and rifle. Often when I pick up a charged case to insert it into my press, I'll glance in the case, just as a habit, and to make sure.