The right tools can 2-5x your reselling efficiency. We've tested dozens of apps so you don't have to. Here's every tool a reseller needs in 2026, organized by category.
📋 Crosslisting Tools
If you're only selling on one platform, you're leaving money on the table. Crosslisting tools let you list on eBay, Poshmark, Mercari, Depop, and more from a single dashboard.
Vendoo
- Price: Free for 5 listings/mo, $7.99/mo for 150, $24.99/mo for unlimited
- Platforms: eBay, Poshmark, Mercari, Depop, Grailed, Kidizen, Facebook Marketplace, Vestiaire
- Best for: Clothing and fashion resellers
- Verdict: Most popular crosslister. Reliable, good interface, solid analytics.
List Perfectly
- Price: $29/mo (Simple), $59/mo (Business), $99/mo (Pro)
- Platforms: 11+ platforms including Etsy and Shopify
- Best for: High-volume sellers who need bulk tools
- Verdict: Powerful but steeper learning curve. More platforms than Vendoo.
Crosslist
- Price: Free for 3 listings/mo, $19.99/mo unlimited
- Platforms: eBay, Poshmark, Mercari, Depop, Facebook, Grailed
- Best for: Budget-conscious sellers
- Verdict: Good value, simple interface. Fewer advanced features.
📊 Live Selling Analytics
BundleLive
- Price: Free trial, then $9.99/mo (Basic), $19.99/mo (Pro), $29.99/mo (Team)
- Platform: Whatnot
- Features: Real-time show analytics, per-item tracking, buyer insights, VIP identification, cross-show performance, auto-tagging, smart chat, bundle tracking
- Best for: Whatnot live sellers who want to understand their show performance and optimize revenue
- Verdict: The only dedicated analytics tool for Whatnot sellers. Tracks everything from the moment your show starts — revenue, items sold, buyer behavior, peak moments, and more. Try it free →
💰 Pricing & Research Tools
Terapeak (eBay)
- Price: Free with eBay Store subscription
- Best for: Researching eBay sold data, trending items, category analysis
- Verdict: Essential for eBay sellers. Use it to validate pricing before listing.
Worthpoint
- Price: $29.99/mo
- Best for: Antiques, vintage, collectibles — items that are hard to comp on eBay
- Verdict: The gold standard for obscure item valuation. Expensive but worth it for antique dealers.
BundleLive Price Index
- Price: Free
- Best for: Quick price checks on sneakers, designer items, electronics, trading cards, coins
- Verdict: Fast, free, and covers the categories resellers actually search for. Check it out →
📦 Shipping Tools
Pirate Ship
- Price: Free (pay only for postage)
- Carriers: USPS, UPS
- Best for: Everyone. Up to 89% off commercial shipping rates.
- Verdict: No-brainer. Every reseller should have a Pirate Ship account.
ShipStation
- Price: $9.99/mo (Starter) to $229/mo (Enterprise)
- Best for: High-volume multi-platform sellers who need automation
- Verdict: Overkill for small sellers, essential for large operations.
BundleLive Shipping Calculator
- Price: Free
- Best for: Comparing USPS, UPS, FedEx rates side-by-side
- Verdict: Quick rate comparison without creating accounts. Try it →
📸 Photography & Listing
PhotoRoom
- Price: Free (with watermark), $9.99/mo Pro
- Best for: Removing backgrounds, creating clean product photos
- Verdict: Game-changer for listing photos. One tap = white background.
Google Lens
- Price: Free
- Best for: Identifying unknown items while sourcing
- Verdict: Point your camera at any item to find what it is and what it sells for.
🧮 Accounting & Tax
QuickBooks Self-Employed
- Price: $15/mo
- Best for: Tracking income/expenses, generating tax reports
- Verdict: Industry standard for small business accounting. Worth it for tax time alone.
Seller Ledger
- Price: $15/mo
- Best for: Resellers specifically — built for multi-platform selling
- Verdict: Designed for resellers. Imports sales from eBay, Poshmark, Mercari automatically.
📱 Inventory Management
Sortly
- Price: Free (100 items), $29/mo (Advanced)
- Best for: Visual inventory with barcode scanning
- Verdict: Take a photo, scan a barcode, track your inventory. Simple and effective.
Airtable
- Price: Free (1,000 records), $20/mo (Plus)
- Best for: Custom tracking with spreadsheet-like flexibility
- Verdict: The Swiss army knife. Build exactly the tracking system you need.
🏆 Fee Calculators
BundleLive Fee Calculator
- Price: Free
- Platforms: eBay, Poshmark, Mercari, Whatnot, Depop, Grailed, StockX, GOAT, Facebook
- Best for: Comparing your take-home across every major platform before you list
- Verdict: Fast, accurate, covers 9 platforms. Try it →
The Must-Have Stack for 2026
If you're starting from scratch, here's the minimum viable tool stack:
- Vendoo or Crosslist — Crosslisting (unless you only sell on Whatnot)
- BundleLive — Live show analytics (if you sell on Whatnot)
- Pirate Ship — Shipping discounts
- PhotoRoom — Product photos
- BundleLive Fee Calculator + Price Index — Pricing research
- QuickBooks or Seller Ledger — Tax tracking
Total cost: as low as $10-25/month. The ROI from better pricing and faster listings pays for this 10x over.