I can’t speak internationally or legally but from what I know from friends in similar jobs daily prices changes aren’t uncommon. The reason and when it happens often is normally the start of the day when there is a new batch of tickets. They don’t go up instantly and multiple 100s of tickets normally take a couple hours to get placed depending on how many/busy staff are.

Main thing is e-ink’s don’t really make this significantly better or worse. I personally think they are neat for the end worker. The problem is that this is allowed or not enforced well.

Lots of stores do have the price guarantees, you just need to ask someone. For example we have 7 days but you need to ask an employee for a quote first. Also I might be willing to quote a single pencil but I don’t think everyone is, its normally big ticket items or a group of things.

Paper tickets at work but change frequently. Had this happen a couple times. Since its manual we normally ask if someone updated the isle. I’ve had to respond a few times and had the ticket in my pocket still.

If there is major doubt though register price will be used, it’s not hard for someone to lie or move a ticket.

Oh also iirc there is a way to check price history to see if someone is lying so that can be used too if the store has that in the system.

Best thing for any store is to take a photo tbh since its not just eink.

I don’t really agree with this but its the way it is.

Paper ticket stores already do this, its just a more work for the workers than e-ink.

Take a photo of it, I work with paper but we change our tags frequently. We often have prices changed when a customer reaches checkout. I’ve also had times where a customer came back to check a shelf tag after I just updated it. I honored the previous price those times as I was still holding the tickets but its not a guarantee even in paper stores.

Work in retail without e-ink and a lot of the concerns people have here already happen with paper. We do full store paper price tag updates daily, also someone will go around with a scanner making sure prices are up to date with website and print new sheets if not.

Normal days will consist of 3-5 new batches of tickets with the full store update batch containing normally ~10-20 a4 sheets. This isn’t a huge store either I imagine most wallmarts would have more products.

The prices already update super frequently and e-inks don’t really change that. It basically just cuts out the printing and placing, the person running around with the scanner now updates prices.

I think for workers they are nice as they reduce the chance of paper cuts and the back and leg pain from changing the 100s of bottom shelf tags.

The benefit for stores is they likely don’t need to hire as many people, less training and possibly reduced material cost over time as the paper would probably add up.