How to handle large batches of items

Jul 13, 2025

Getting Started with Large Batch Inventory Management

Managing large batches of items—whether for resale, liquidation, or estate clearing—can seem overwhelming for beginners. Without a process, it's easy to lose track of inventory, duplicate listings, or miss sales and shipments. Fortunately, with straightforward steps and the right tools, you can keep everything organized and efficient.

Step 1: Organize Your Incoming Items

Before listing anything, set aside time to sort and catalog your batches. This prevents chaos later and saves you time as sales roll in.

  • Sort by category or type: Group similar items (e.g., electronics, clothing, books) together.

  • Assign a unique identifier: Use sticky notes, barcode labels, or a simple numbering system for each item or box.

  • Photograph in batches: Take clear, consistent photos as you sort so you can list efficiently.

Step 2: Choose a Central Inventory Management System

It's easy to lose track of inventory when listing across multiple platforms (e.g., eBay, Facebook Marketplace, Mercari, Poshmark). A central system keeps your listings and sales in sync.

  • Spreadsheet (good for very small batches): Free and simple, but requires manual updates.

  • Inventory management tools: For larger or ongoing batches, consider platforms like Gavelbase (streamlined for resellers), or more general solutions like Zoho Inventory.

  • What to track: Item description, photos, location, listing sites, listing status, sale price, fees, buyer info, shipping status.

Tip: Use a system that supports integration or easy export/import for cross-posting. This saves hours and avoids double-selling.

Step 3: Assign Basic Team Roles

If you have help (family, friends, or hired assistants), define roles early. This prevents confusion and helps everyone work efficiently.

  • Sorter/Photographer: Handles physical sorting and photography.

  • Lister: Enters items into the inventory system and creates listings.

  • Communicator: Answers buyer questions and coordinates pickups or shipping.

  • Shipper: Packs and ships sold items, updates tracking.

For small teams, people can cover multiple roles—just make sure everyone knows what to do.

Step 4: List Efficiently Across Multiple Platforms

Maximize exposure by listing items on multiple sites, but keep listings in sync to avoid selling the same item twice.

  • Batch listing: Use templates and copy-paste to speed up the process.

  • Cross-posting tools: Some software (including Gavelbase) offers features to help manage listings across sites. For manual approaches, keep a tracking sheet to mark when and where each item is listed.

  • Deactivate sold listings immediately: As soon as an item sells, remove or mark it as sold everywhere else.

Step 5: Track Sales, Fees, and Payouts

Recording every sale and the associated fees ensures you know your real profit and can spot any issues early.

  • Central log: Record when and where each item sold, sale price, fees (platform, payment processor), and net received.

  • Use your inventory system: Many tools offer built-in sales and fee tracking. If not, a spreadsheet works too.

  • Regular reviews: Weekly or monthly, reconcile your sales and payouts to catch errors or missing payments quickly.

Step 6: Handle Shipping and Pickup Smoothly

  • Shipping:

    • Batch print shipping labels to save time.

    • Keep packing supplies organized and pre-pack common items if practical.

    • Update tracking info in your central system and on the selling platform.

  • Local pickup:

    • Designate a secure, convenient location for exchanges.

    • Schedule pickups in advance and confirm identity if needed.

    • Mark items as picked up in your system immediately to update inventory.

Step 7: Clean-Up and Optimize for Next Time

After the batch is processed, review what worked and what didn't:

  • Note which items sold fastest and most profitably.

  • Identify any bottlenecks in your workflow.

  • Update your inventory system (archive sold items, remove deadstock).

  • Save reusable templates, packing lists, or checklists for future batches.

Useful Tips for Beginners

  • Start with smaller batches if possible to learn the process.

  • Label everything clearly—confusion costs time and money.

  • Use automation and integrations wherever possible to reduce manual errors.

  • Communicate clearly with buyers and team members; miscommunication is a major source of mistakes.

Further Resources

With these easy-to-follow steps, even beginners can confidently tackle large batches of items, avoid costly mistakes, and build a foundation for efficient selling.