I make a small iOS app for trading-card collectors — point the camera at a card, get what it's actually worth, keep track of what you own. Over the last few months it grew a second job: running a dealer's table at a card show. The thing nobody warns you about is that convention halls are signal dead zones. Two thousand people in a metal building all on LTE, and everything times out at the exact moment money is changing hands. So in this release the whole sales floor runs on the phone: Sell, hold, reprice, buy and trade with zero bars; it reconciles when signal comes back Ring six cards up as one payment, but each card still files as its own sale with its share of the price split to the cent, so the P&L can't lie Undo a sale, or refund one — the card comes back with its orig

  • 情报分类：项目价值、技术价值
  • 命中依据：离线销售系统重建，真实需求与实现
  • 来源：Reddit · SideProject
  • 原作者：/u/Master_Asparagus85 https://www.reddit.com/user/Master_Asparagus85
  • 发布时间：2026/9/10 08:53:15