An advantage of using a hand priming tool is that you can feel the condition of the primer pocket as you seat them.
The ones that go in very easily should be challenged by rapping the edge of the case on something like the bench top.
If the primer pops out, or even partially out, its best to discard the case without firing it again.
Another thing to watch for is a brighter colored ring around the case just above the web section near the head.
Unfortunately those who insist on keeping their brass shiny new in appearance wont always see it.
Take a wire paper clip and straighten it, then put a small 90 degree bend on one end.
Use that to reach into the case feeling for cracks around the base that have formed on the inside and not showing on the outside of the case.
Another firing with such a case is sure to separate the case and could cause injury.
Another reason to be wearing good eye protection.
Surprisingly, there are some very fussy people who are also very frugile when it comes to spending money on brass.
Ive known a few who will smear lock tite or super glue over a loose primer in order to get one more firing from the case.