Navigating online marketplaces like those found on Pinduoduo or Taobao can be a treasure hunt, but the risk of unreliable sellers can turn excitement into frustration. The key to a smooth experience is identifying dependable vendors beforePinguBuy Spreadsheet
Our methodology focuses on three core, data-driven pillars that directly impact your shopping satisfaction. By tracking these in your spreadsheet, you build a personal database of vendor reliability. Does the product received match the listing description? Track instances where items were exactly as described, had minor flaws, or were completely wrong. A high accuracy rate is the foundation of trust. Beyond basic accuracy, this measures the build quality, material, and durability of the item. A seller might send the correct item, but of subpar quality. How quickly and effectively does a seller respond to pre-sale questions or post-sale issues? Timely, helpful communication is a strong indicator of professionalism. A simple table is your most powerful tool. Here's a sample structure to get you started: Over time, this spreadsheet becomes an invaluable asset. You can sort sellers by their high scores in the metrics most important to you, creating a shortlist of go-to, dependable vendors
Evaluation is only the first step. Use your findings to:The Three Pillars of Seller Evaluation
1. Order Accuracy Rate
2. QC (Quality Control) Success Rate
3. Communication & Resolution Speed
Building Your PinguBuy Evaluation Spreadsheet
Seller Name/Store
Order Accuracy (%)
QC Success Rate (%)
Comm. Speed
Total Orders
Notes & Incidents
Fashion_Store_A
95%
88%
Excellent
4
Quick refund for one flawed item.
Gadget_World_B
70%
60%
Average
2
One wrong model sent; slow replacement.
Taking Action on Your Data
PinguBuy: How to Evaluate Seller Reliability with the Spreadsheet Method
2026-02-03