
RESELLER GUIDE
GTBuy Spreadsheet for Resellers: Profit System
A reseller-focused guide to sourcing, pricing, inventory management, and profit tracking using structured spreadsheet workflows.
Introduction
Reselling Is a Numbers Game
Successful reselling has nothing to do with luck and everything to do with systems. The gtbuy spreadsheet approach gives resellers a structured framework for sourcing decisions, inventory tracking, and profit analysis. Without numbers, you are gambling. With numbers, you are running a business.
This guide is written for resellers at every stage: beginners testing their first $500 batch, intermediates scaling to $5,000 monthly revenue, and experienced sellers optimizing margins on high-volume operations. Every section includes actionable spreadsheet columns and formulas you can implement immediately.
KPIs
Six Metrics Every Reseller Tracks
| Metric | Definition | Target |
|---|---|---|
| Sell-Through Rate | Percentage of purchased items that sell within 30 days. Target: 80%+ | 80%+ |
| Average Margin | (Sell Price - Buy Price - Fees) / Buy Price. Target: 40%+ | 40%+ |
| Days in Inventory | Average days from receipt to sale. Lower is better. Target: <14 days | <14 days |
| Return Rate | Percentage of items returned by your customers. Target: <5% | <5% |
| QC Score Correlation | Track whether higher QC scores actually correlate with fewer returns and faster sales. | Positive |
| Seasonal Profit Multiplier | How much profit increases in peak season versus off-season. Use for inventory timing. | 2x+ |
Sourcing
The Reseller Sourcing Pipeline
Identify Demand
Browse resale platforms and sort by recently sold. Note which items, sizes, and colorways move fastest. This is your demand signal.
Find Supply on GTBuy
Search the GTBuy Spreadsheet index for those exact items. Filter by QC score above 75 and price 20-40% below resale market rate.
Verify Margins
Calculate: (Expected Sell Price - Buy Price - Platform Fees - Shipping). If margin is below 30%, pass. Only buy when numbers work.
Purchase and Log
Add to your Inventory tab with columns: Item, Buy Price, Target Sell, Date Bought, QC Score, Status. Update to 'Received' upon delivery.
List and Monitor
List on your resale platform immediately. Track views, likes, and offers in your spreadsheet. Adjust price weekly based on engagement.
Analyze and Iterate
Monthly review: Which items sold fast? Which sat? Which had returns? Use this data to refine your sourcing criteria for next month.
Spreadsheet
Essential Reseller Spreadsheet Columns
SKUUnique identifier. Format: CAT-001 where CAT is category code and 001 is sequential.
Item Name + VariantFull product name with size, color, and condition. Example: Jordan 1 Retro High - Chicago - US9 - New.
Source URLDirect GTBuy index link. Allows instant re-sourcing if the item sells quickly.
Buy PriceTotal cost including shipping to you. This is your true cost basis.
Target SellMarket research price minus platform fees and desired margin.
StatusOrdered, In Transit, Received, Listed, Sold, Returned. Status drives your workflow.
Days in InventoryFormula: =TODAY() - Received Date. Auto-calculates holding time.
ProfitFormula: =Sell Price - Buy Price - Fees - Shipping. The only number that truly matters.
FAQ
Reseller Questions
What is the minimum capital to start reselling?
$200-500 is sufficient for testing the model. Buy 5-10 mid-tier items, learn the process, and reinvest profits. Scale only after achieving consistent sell-through.
Should I focus on one category?
Yes, initially. Master one category before diversifying. Deep expertise in sneakers or hoodies beats shallow knowledge across ten categories.
How do I find underpriced items?
Use the GTBuy Spreadsheet price filter set 20-30% below market average. Cross-reference with sold listings on resale platforms to confirm demand exists.
Is this the same as dropshipping?
No. You take possession of inventory, verify quality, and ship yourself. This requires capital but yields higher margins and quality control than dropshipping.
Build Your Reseller System
Reselling rewards structure. Build your spreadsheet, follow the pipeline, and let data drive every sourcing decision.