Practical Tutorial on Fine-Grained Product Selection for Shelf E-Commerce



📚Video Course
🕒Last updated: 10/26/2026
👥Entrepreneurs / Self-media creators / Cross-border e-commerce sellers / Side-hustlers

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"The Fine-Grained Product Selection Practical Course" is a hands-on tutorial on e-commerce product selection strategy and profit analysis, designed specifically for sellers on Taobao, Tmall, and other shelf e-commerce platforms. The course consists of 7 lessons built around the underlying logic of fine-grained product selection, with profit thinking, track selection, category analysis, single-product screening, and profit calculation at its core, helping e-commerce sellers establish a more scientific, systematic, and actionable product selection method.

Many e-commerce sellers often encounter these problems in daily operations: products have sales but are not profitable, popular tracks are fiercely competitive, product selection relies on personal intuition, the real profit margin is unclear, and only after investing a large amount of capital do they discover that products lack competitive advantage. This course addresses these common problems and focuses on how to shift from the traditional sales-oriented approach to a profit-oriented one, screening products that are more worth investing time and resources in by analyzing industry tracks, product competitive environments, cost structures, and net profit margins.

The course starts with the basic logic of fine-grained product selection and gradually goes deeper into creating and using profit calculation sheets, track screening, category entry, single-product selection, and product evaluation methods at different stages. It highlights the net profit product selection method, helping learners calculate profits from angles such as product selling price, procurement cost, platform fees, and other operating expenses, avoiding the operational pitfall of looking only at sales without looking at actual profit. The course also includes the latest profit calculation Excel template and a complete study manual, making it easy for learners to study and practice at the same time and apply theoretical methods to actual product screening and business decisions.

From selecting tracks to screening categories, from profit calculation to single-product evaluation, this helps you build a fine-grained product selection system centered on real profit, reduce blind copying of trending products, and improve product decision-making efficiency. Course features include: 7 systematic lessons focused on fine-grained e-commerce product selection; net profit as the core rather than blindly pursuing sales volume; an accompanying Excel profit calculation template; three-stage category and single-product screening; suitable for shelf e-commerce such as Taobao and Tmall; a combination of video lessons and a complete study manual, with an Excel template and HTML and PDF learning materials for repeated study and practical operation.

Suitable learners include: Taobao and Tmall beginner sellers who want to build a systematic product selection method but do not know how to judge whether a product is worth doing; shelf e-commerce operations staff who want to improve their category analysis, product screening, and profit calculation capabilities; small and medium-sized e-commerce entrepreneurs with limited capital and resources who want to reduce blind investment; existing e-commerce sellers whose products have sales but low profit and who want to optimize their product structure; e-commerce product selection and procurement staff who need to screen profitable potential products from a large number of products; and e-commerce team leaders who want to improve team decision-making efficiency through profit calculation and standardized product selection processes.

Through 7 video lessons and accompanying study materials, you will progressively master the core logic of refined product selection and learn how to judge product value from a profit perspective rather than deciding solely based on sales volume and market popularity. You will learn to use an Excel profit calculation sheet to analyze product costs, selling prices, and net profit margins, master track selection, category entry, and phased single-product screening methods, and understand how to handle common problems in the product selection process. At the same time, you will establish a clearer product research process and learn how to compare and evaluate different products based on your own operating conditions and product profit performance. From profit calculation to track selection, from category screening to single-product decisions, the Lubing Refined Product Selection Practical Course takes you through building a profit-centered e-commerce product selection system, learning to use data to support judgments of product value, reducing blind trend-following, and making every product selection better grounded.

Building on the original content, this course places more emphasis on turning product selection from experience-based judgment into a reusable analytical process. When studying, you can first establish a profit calculation sheet, then screen progressively through the three stages of track, category, and single product, validate with competitor and product testing results, and ultimately form product evaluation standards suitable for your own store. The course materials are convenient for repeated practice and are suitable for sellers who want to reduce trial-and-error costs and improve product selection decision efficiency.

[Basic Logic and Profit Calculation Section]
  • 1.Prerequisite explanation and the underlying logic of refined product selection
  • 2.Prerequisite explanation after the Damopan revision of the profit calculation sheet
  • 3.Creation and use of the profit calculation sheet
[Track Selection and Category Screening Section]
  • 4.How to choose a track
  • 5.Category entry and the first stage of single-product selection (net profit product selection method)
  • 6.The second and third stages of category entry and product selection
[Supplementary Methods and Common Problems Section]
  • 7.Supplementary methods for category entry and product selection and problems that may be encountered later
[Accompanying Materials]
  • Profit Calculation Sheet Latest Template 9.12.xlsx
  • Lübing Refined Product Selection - Complete Study Manual.html
  • Lübing Refined Product Selection - Complete Study Manual.pdf

💡 Learning Tip:The course content is based on industry practices at the time of publication. It is recommended to combine your study with the latest platform rules.

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