While I wish that that were how things worked, unfortunately, the US legal system disagrees [0].
[0]: https://en.wikipedia.org/wiki/Invitation_to_treat#Case_law
> A display of goods for sale in a shop window or within a shop is an invitation to treat, as in the Boots case, a leading case concerning supermarkets. The shop owner is thus not obliged to sell the goods, even if signage such as "special offer" accompanies the display. […] If a shop mistakenly displays an item for sale at a very low price it is not obliged to sell it for that amount.
In the US, local laws generally side with the consumer and legally entitle you to the displayed price. There are also federal laws from the FTC act against deceptive pricing.
See some US state laws here: https://www.nist.gov/pml/owm/us-retail-pricing-laws-and-regu...
a few summaries from https://www.braincorp.com/resources/the-price-must-be-right-...:
>Michigan requires a bonus of 10 times the overcharge amount.
New Jersey’s Retail Pricing Laws mandate that most retail stores clearly mark the total selling price on most items offered for sale. Retailers must also verify the accuracy of their checkout scanners and may face fines of $50-$100 per violation for noncompliance.
Connecticut law requires stores to charge the lowest of the advertised, posted, or labeled price for an item. Customers who are overcharged are entitled to a refund of the overcharge or $20, whichever is greater
And they can. Just bring it up to the cashier or managers attention, and voila, they adjust the price. Please let me know if you have had a different experience.
I have watched countless people shop with a calculator or pen/pad to make sure they stay on budget. It is not hard.
If you've ever shopped at dollar stores they are often understaffed with a long line, no self-checkout, and a single cashier on duty if at all. If you argue about pricing you will hold everyone up in line, maybe get dirty looks and possibly wait an hour for someone with the authority to come and clear it up. Another person in this thread also mentioned that they got screamed at and chased out of the store for "causing a problem": https://news.ycombinator.com/item?id=46182451
Yes, mistakes happen; yes, people get over charged. But to imply people are shamed for asking to correct the error just seems...odd.
One note about asking for a refund/price adjustment. Occasionally the store workers forget to pull the sale prices off the shelf when the sale is over. In these situations, the manager/workers are appreciative since they can pull the sticker that was left on by accident. Just my experience...
> I have watched countless people shop with a calculator or pen/pad to make sure they stay on budget. It is not hard.
Yes, this is exactly what I am talking about. Both of those things are straightforwardly doing extra work using your own time and resources. I generally spot check my receipts and do a rough mental tally, but if I had to turn that paranoia to max because some store was continually trying to defraud me, then I would likely stop going there.
If a store refused to adjust a fraudulent charge or honor an offered price, then I would keep escalating the issue and not back down. This too requires resources of having the time to argue, reading as someone who will not simply be browbeaten, plus deescalation and being able to communicate clearly if they call the police, etc.