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Show HN: Daily price tracking for Trader Joe's

traderjoesprices.com

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Re: Show HN: Daily price tracking for Trader Joe's

#141

Post by imp0cat »

graphe wrote: post #54
Ensorceled wrote: post #32

Earlier quoted context omitted.

Econ 101 explains those counter examples as well: Food has high demand but lots of competition and easy substitution (rice expensive? buy pasta). Housing supply is limited (by location but often artificially via regulation) and substitution is difficult (have to move).

People are not economically rational. Most people don't buy pasta when rice is expensive. Econ 101 explains rational actors in a vaccum, not gluten free, asian culture, anti Italians sentiment, or hatred of Monsanto.

Well, some might, you can get pasta that looks exactly like rice (orzo).

Re: Show HN: Daily price tracking for Trader Joe's

#143

Post by rexf »

ChuckMcM wrote: post #55

Given that these prices are going into a database, I was hoping that you could click on an item and get its pricing over time (not a referral link to the Trade Joes web site).

TIL Trader Joe's has a website with prices.

(I shop their stores, but I don't use their website at all.)

Re: Show HN: Daily price tracking for Trader Joe's

#144

Post by samstave »

jedberg wrote: post #94
_ea1k wrote: post #81

Earlier quoted context omitted.

Indeed, he spelled it the right way, which is the wrong way. He should spell it wrong, which is the right way. :) I think it is funny that this misspelling hasn't been fixed after all of these years. It was typo'ed in the original http spec in 1996: https://en.wikipedia.org/wiki/HTTP_referer

Most things that care about that field accept both because so many programmers make that mistake. But you're technically right, the best kind of right.

JIMINY CHRISTMAS YOU STILL EXIST!!!!

(btw its absolutely lovely that you put hanging out with your kids in profile

((Gush much, who?? me!???)))

/need to close my lisp

Re: Show HN: Daily price tracking for Trader Joe's

#147

Post by azemetre »

Neileeso44 wrote: post #119
azemetre wrote: post #5

Interesting! I’ve always held on to my grocery receipts for the last 8 years. I took pictures of them but when I moved a box got water damaged so now I only have like the last 3ish years. Is there any open source software that I can use to transfer these receipts into a useful csv? I have an idea for a few interesting data visualizations as I’d often buy the same things every week. Grocery bill went from like $70 to…

I do the same with WholeFoods receipts. The pipeline is: 1. Scan to FTP dir to TIFF 2. Nightly job submits image(s) from the dir to Veryfi (their free tier is enough and they looks like the best for receipts OCR) 3. Save that raw JSON, enhanced JSON (fix occasional mis-attribution for discounts, calculate unit price), and CSV. Filename is a purchase date - correctly extracted by Veryfi. 4. Render with bash + gnuplot.…

I agree with the other poster, do you have a repo someone willing to share?

Re: Show HN: Daily price tracking for Trader Joe's

#148

Post by internet101010 »

manuelleduc wrote: post #92

Open food fact recently launched Open Prices ( https://prices.openfoodfacts.org/ ). It's currently crowd-sourced instead of an automated crawling, but prices are localized in space and time which could lead to intersting results. This will lead to an open database of food product prices.

Localized pricing just adds noise to data. Intermittent updates combined with possibility of input error also creates issues.

Retailers that utilize price zones typically have the baseline price that drives the prices for each price zone (e.g. set prices in California to be 10% more than baseline). Getting the baseline price in an automated way is the ideal solution.

Re: Show HN: Daily price tracking for Trader Joe's

#149

Post by internet101010 »

e40 wrote: post #126
RSHEPP wrote: post #122

Trader Joe's sells liquor?? Guess I wouldn't know living in Texas. That's surprised me though.

Why? You can’t sell liquor in a grocery store in Texas?

No. Liquor can only be sold at liquor stores, which close at 9pm Mon-Sat and are closed on Sunday. You also cannot ship liquor from another state. You can, however, import from another country. So if you want some rare bourbon you have to import it from overseas after it has been exported from the US. It's a real catch-22 situation. Or you can enter a lottery at a liquor store, which is often restricted to customers that spend a lot of money annually with that store.

Beer and wine can be bought at grocery stores, though on Sunday you cannot buy until at least noon. At 11:45 on a Sunday morning you will often see a few people waiting near the checkout with a cart full of groceries and a 12-pack.

It's stupid.

Re: Show HN: Daily price tracking for Trader Joe's

#150

Post by e40 »

internet101010 wrote: post #149
e40 wrote: post #126

Earlier quoted context omitted.

Why? You can’t sell liquor in a grocery store in Texas?

No. Liquor can only be sold at liquor stores, which close at 9pm Mon-Sat and are closed on Sunday. You also cannot ship liquor from another state. You can, however, import from another country. So if you want some rare bourbon you have to import it from overseas after it has been exported from the US. It's a real catch-22 situation. Or you can enter a lottery at a liquor store, which is often restricted to customers…

Which is really odd, since Texas is so liberty and free-market minded.
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