SignalCards Blog
Research notes from the SignalCards desk.
Field notes on Reddit signals, founder opportunities, operational evidence, and the research behind practical business decisions.
Chargeback Evidence Notes · Note 01
Tracking Proof Is Not Authorization Proof
Why a delivered order can still lose an unauthorized-transaction dispute—and how Shopify merchants can build a clearer evidence response.
Published July 2026 · 7 min read
SignalCards Research
From 183,901 Reddit posts to 495 Opportunity Cards: why I built SignalCards
Why I turn public Reddit conversations into curated, source-backed Opportunity Cards — and where temporal intelligence takes the library next.
Published June 2026 · 7 min read
SignalCards Research
I reviewed 4,725 Reddit posts and found 67 business opportunities hiding in plain sight
What public complaints reveal about the products founders should build next — and how we turned messy threads into structured Opportunity Cards.
Published May 2026 · 8 min read
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