Not all NAPAs are alike. I mean, there are some reps that a really helpful and want to earn your business and some reps treat you like a plague that walked in the door. For the former, tell them that you appreciate their help. For the latter, take it for what it is worth and take your business elsewhere as an indication of the level of expertise that they can or are willing to provide.

For example, the Autozone near me is really good. I've been to others that have high schoolers behind the counter and are mostly clueless unless they can look it up in a catalog.

One time at Pep Boys I asked for wheel bearings for a 74 VW Thing. The kid asked me, "Bearings for a What?". I thought he didn't hear me so I replied, "A 74 Thing". Still puzzled, I had to explain at length what it was and he was glazed over like a donut.