I have been doing something similar for New Zealand since the start of the year with Playwright/Typescript dumping parquet files to cloud storage. I've just collecting the data I have not yet displayed it. Most of the work is getting around the reverse proxy services like Akamai and Cloudflare.
At the time I wrote it I thought nobody else was doing but now I know of at least 3 start ups doing the same in NZ. It seems the the inflation really stoked a lot of innovation here. The patterns are about what you'd expect. Supermarkets are up to the usual tricks of arbitrary making pricing as complicated as possible using 'sawtooth' methods to segment time-poor people from poor people. Often they'll segment on brand loyalty vs price sensitive people; There might be 3 popular brands of chocolate and every week only one of them will be sold at a fair price.
At the time I wrote it I thought nobody else was doing but now I know of at least 3 start ups doing the same in NZ. It seems the the inflation really stoked a lot of innovation here. The patterns are about what you'd expect. Supermarkets are up to the usual tricks of arbitrary making pricing as complicated as possible using 'sawtooth' methods to segment time-poor people from poor people. Often they'll segment on brand loyalty vs price sensitive people; There might be 3 popular brands of chocolate and every week only one of them will be sold at a fair price.