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Card 673 of 10002026-08-24 issue

Observed arrival · 2026-08-24

青豆丁, the piano teacher's ledger

qingdouding.com Observed source
Editorial interest 86/100 Selection signal · not a rating of the site

A Chinese-language bookkeeping tool for one-to-one piano teachers, linking lessons, rescheduling, payments, and parent statements.

Landing page captured for the 2026-08-24 issue.

Field notes

The workflow is organized around families rather than isolated students: a single payment can be matched to several children’s lessons, and the resulting account history can be exported for a selected date range. The sample dashboard reports 14 enrolled students, 21 weekly lessons, $7,200 in monthly payments, and $675 outstanding. The page also lists support for cash, cheques, Zelle, Venmo, PayPal, and bank transfers while explicitly keeping payment handling outside the product.

Observed signals

Read the marks

Editorial observations of this landing page, not a rating.

OpenPublic substance visible
PrettyNotable craft visible
ProPolished or operationally mature
NicheUnusually specific use

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qingdouding.com

Landing page observed 2026-08-24. The live site may have changed.