転売＆オークションバイヤー向けガイド
在庫管理、オークション戦略、利益計算の実践ガイド。
- Estate sale buying tips for resellers
What to record while buying at estate sales, and how to keep your records straight across multiple sales in one day.
- How to track profit on flips
Learn the real math for flip profit: purchase price, buyer's premium, fees, repairs, and selling costs, with a worked example and common mistakes to avoid.
- Reseller inventory: spreadsheet vs. app
An honest comparison of tracking reseller inventory in a spreadsheet versus a dedicated app, and when each approach actually makes sense.
- What is buyer's premium at auction
A plain explanation of buyer's premium, how it's calculated, a worked example, and why it belongs in your resale cost basis.
