It would be nice if there was a QRcode format on receipts for this. Off the top of my head, the encoded format would have:
* store name/location
* total amount
* field for tax(es) broken out
* a general category of the purchase if it's simple ("fuel", "food" for receipt from McDonald's)
* groupings of items for certain types/categories: at (e.g.) Costco you can buy groceries and clothing, so have a grouping for all your food with the total for that categorized as "food", clothes grouped together with its category; you can also get gas and tire/oil changes ("transportation")
The major categories could be what a lot of countries use for CPI categories:
It would be nice if there was a QRcode format on receipts for this. Off the top of my head, the encoded format would have:
* store name/location
* total amount
* field for tax(es) broken out
* a general category of the purchase if it's simple ("fuel", "food" for receipt from McDonald's)
* groupings of items for certain types/categories: at (e.g.) Costco you can buy groceries and clothing, so have a grouping for all your food with the total for that categorized as "food", clothes grouped together with its category; you can also get gas and tire/oil changes ("transportation")
The major categories could be what a lot of countries use for CPI categories:
* https://www150.statcan.gc.ca/n1/pub/71-607-x/2018016/cpi-ipc...
* https://www.bls.gov/news.release/cpi.t01.htm
* https://www.stat.go.jp/english/data/cpi/158c.html
* https://www.ecb.europa.eu/stats/macroeconomic_and_sectoral/h...