

A good sales person should be able to ascertain that on the walk over. Even at a big box store.
“Excuse me, can you show me where the hammers are?”
“Sure! They’re over this way, let me show you. You doing any projects this weekend?”
“Yup, I’m rebuilding my basement stairs and my favorite 16oz framing hammer just chipped. I’m replacing it with the same one cause it worked great for 30 years.”
“Perfect, it’s on the top shelf with the rest of the premium hammers. Need me to show you where the nails are or need help with anything else while you’re here?”
“Nope, just the hammer, got everything else already last weekend.”
“Great, good luck with the stairs, let me know if you have any other questions.”
Friendly chatter, brief “upsell” to make sure they didn’t forget anything and have to make a drive back. Left alone once the interaction was complete. Doesn’t have to be anything more complicated than that and nobody’s time was wasted.
Legally, you need quite a few more features than this just to be able to sell it.