21 lines
634 B
Markdown
21 lines
634 B
Markdown
---
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title: "预售"
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type: concept
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tags: [电商, 大促, 营销机制, 淘宝, 天猫, 京东]
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sources: [[raw/Agent/agency-agents/marketing/marketing-china-ecommerce-operator.md]]
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date: 2026-04-21
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---
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## Definition
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大促前提前收取定金锁定购买的促销机制，帮助商家预测需求并提前备货。
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## Core Features
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- 定金膨胀：支付定金可在正式购买时抵扣更多金额
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- 提前锁客：确保大促当天转化
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- 需求预测：基于预售数据指导备货
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## Workflow
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1. 提前30天启动预售宣传
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2. 设置定金金额和膨胀倍数
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3. 监控预售数据调整备货
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4. 尾款支付后发货 |