卖家资讯
跨平台费用政策、税务变化、平台更新与卖家洞察。文章正文目前以英文发布，方便与官方文档逐字比对；我们会在卖家工具与计算器中持续提供本地化的中文界面。
Amazon Fee Changes: 2026 Q2 Deep-Dive
Source-backed guidance on Amazon's 2026 fee updates, with practical pricing and ad-spend actions for sellers.
阅读全文（英文）TikTok Shop Vietnam Fee Alert: What a Reported 6% Transaction Fee Means for Sellers
A practical seller brief on the reported TikTok Shop Vietnam transaction fee increase to 6% from 2026-05-09, including the pricing, ad-spend, and affiliate actions to review first.
eBay Service Disruption: What Sellers Should Check After Search, Checkout, and API Issues
A practical seller response guide after eBay's April 2026 service disruption, covering order checks, inventory risk, ads, and post-recovery pricing decisions.
TikTok Shop Fees by Market: US vs UK vs Vietnam vs Thailand (2026 Seller Margin Guide)
Compare TikTok Shop fees across the US, UK, Vietnam, and Thailand, including commission, transaction fees, VAT or tax treatment, and fulfillment implications for seller margin.
Amazon Break-even Price Playbook (2026 Deep-Dive)
A practical framework for setting Amazon break-even and floor prices with fee stack, ad spend, and downside scenarios.
Amazon FBA vs FBM Margin Update (2026 Deep-Dive)
A structured way to compare Amazon FBA and FBM economics by SKU profile instead of relying on account-wide defaults.
eBay Fee Changes: 2026 Q2 Deep-Dive
A source-backed look at recent eBay fee changes and how sellers should adapt pricing, category reviews, and ad settings.
eBay Promoted Listings Margin Impact (2026 Deep-Dive)
A practical framework for setting promoted listing rates without letting ad spend outgrow post-fee contribution margin.
eBay Store Subscription Break-even Guide (2026 Deep-Dive)
A structured method to decide when an eBay Store subscription improves contribution margin instead of adding fixed cost.