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What's New

Stay up to date with the latest features, improvements, and what's coming next.

Jul 2026
v1.5.0 Team, Collections & Goals

Multi-User Team Accounts, Collections ROI Tracker, Goals & Daily Insights

The biggest feature release since oversell prevention. SellDeck now supports team collaboration, collection-level ROI tracking, goal setting with live pace indicators, daily AI-powered business insights, and market data feeds.

Multi-User Team Accounts

  • Invite team members by email with role-based permissions (Admin, Operator, Viewer)
  • Sub-accounts share the owner's inventory, shows, and data
  • Viewers are read-only; Operators can create/edit; Admins manage members
  • Team management page with inline role changes
  • 7-day invitation expiry with cancel support

Collections / Lot Tracker

  • Group items by acquisition source (card show, estate sale, private deal, etc.)
  • Real P&L per collection: total cost, revenue, fees, net profit, ROI %
  • Sell-through progress bar with auto-detect of untagged items
  • Income statement view per collection
  • Dashboard summary: total invested, total profit/loss across all collections

Goals & Challenges

  • Set revenue, profit, orders, items sold, or shows completed targets
  • Monthly, quarterly, yearly, or custom date ranges
  • Live progress bars with pace indicators ($/day needed)
  • On-track/behind-pace status with urgency banners in final 3 days
  • Streak tracking: sales streak and show streak with longest-record

Daily Insights / AI Coach

  • Automated daily business health score (0-100)
  • Revenue trends, margin changes, and average order value tracking
  • Day-of-week performance analysis — see which days outperform
  • Platform comparison (eBay vs Whatnot revenue share)
  • Stale inventory and untracked cost basis alerts
  • Weekly report card with A-F grades for Revenue, Margin, New Buyers, Sell-Through
  • Delivered via in-app dashboard widget and database notification

Market Data Feeds

  • Trending on eBay — recent listings in your categories with prices and images
  • What Sold Today — your own sales from today, ordered by highest price
  • Reseller News — RSS feeds from Sports Collectors Daily, Beckett, and eBay News
  • 4-hour cache for trending, 30-min for today's sales, 2-hour for news

Generic CSV Sales Import

  • Upload sales CSVs from any marketplace (Mercari, Poshmark, Vinted, etc.)
  • Preview first 5 rows, then map columns to SellDeck fields
  • Auto-matches existing items by SKU or title; creates new if no match
  • Imports sold prices, dates, cost basis, fees, buyer info
  • Step-by-step export guides for each marketplace
May 2026
v1.4.0 Cross-Listing Oversell Prevention

Real-Time Oversell Prevention & Live-Show Cross-Listing Lock

Real-time webhooks instead of 10-minute polling, and the only Whatnot-aware show lock on the market.

Cross-Listing Oversell Prevention (Phase 1)

  • Auto-delist on sale across eBay, Etsy (BYO), and Depop — sub-60-second response
  • Server-side webhooks — no PC-on-required polling
  • Mercari and Poshmark fallback notifications
  • Per-item sold_via and cross_listing_delisted_at audit columns

Live-Show Cross-Listing Lock (Phase 2)

  • Manual Lock button on every show detail page
  • Auto-pause on planned → live status flip
  • Per-marketplace pause status badges
  • Manual Unlock with mid-show-sold items skipped automatically

Oversell Recovery Inbox (Phase 3)

  • Detection within seconds when a double-sale slips through
  • One-click resolution: cancel eBay order, mark refund, message buyer
  • Live-count badge in admin sidebar + bell/email notifications

Multi-Quantity Inventory Sync (Phase 4)

  • Quantity propagation across marketplaces on partial sale
  • Auto-delist when stock hits zero
  • eBay + Etsy quantity update jobs

Other Improvements

  • Show Optimizer: compare up to 20 past shows side-by-side (Pro plan)
  • Real-time sale notifications via WebSocket
  • Buyer Insights with purchase-history drill-down (Starter plan)
  • Annual billing toggle with 17% discount
Jan 2026
v1.3.0 Financial Reports & Analytics

P&L Reports, Expense Tracking & Profit Analytics

  • Profit & Loss statements with per-item, per-show, and per-category breakdowns
  • IRS Schedule C reports with automated line mapping (Business plan)
  • State-level tax breakdowns showing sales and tax collected by state
  • Expense tracking with period locking (monthly, quarterly, yearly)
  • Cash and accrual inventory accounting methods
  • CSV export for transactions, P&L, and annual summaries
  • Sales Analytics dashboard: revenue by show, category performance, channel breakdown, geographic analysis
Sep 2025
v1.2.0 Show Planning & QR Labels

Show Planner, QR Labels, Packing Lists & Whatnot Extension

  • Show planning with drag-and-drop item ordering and prep sheets
  • QR code label generation with batch printing (4 sizes: 2×1, 1×3, 2×3, 4×6)
  • Post-show packing lists grouped by buyer with sequential numbering
  • Whatnot browser extension v1 (Chrome + Firefox) — intercepts GraphQL data during shows
  • Real-time sales feed during live shows with buyer names and amounts
  • Whatnot payout report import with fee breakdown (commission, processing, shipping)
  • Buyer directory built from show buyers
Apr 2025
v1.1.0 AI Pricing & eBay Integration

AI Auto-Fill, eBay Comps & Marketplace Sync

  • AI auto-fill from photos: upload a photo and AI generates title, description, category, condition, tags, and price
  • eBay sold listings price lookup via official Browse API
  • eBay OAuth integration with listing sync and order import
  • Batch photo upload with approval workflow
  • Mobile quick-add mode for sourcing trips
  • Etsy BYO-key integration: create your own Etsy developer app for listing sync
  • Whatnot sales history import (purchase and sales CSVs)
Dec 2024
v1.0.0 Initial Release

Launch Release

The first version of SellDeck — built for Whatnot sellers who needed real inventory management.

Key Features

  • Complete inventory management with photos, SKUs, and categories
  • Show planning with drag-and-drop lineup management
  • AI-powered pricing estimates using OpenAI GPT-4o-mini
  • eBay sold listings price lookup
  • QR code label generation
  • CSV import/export functionality
  • Basic profit tracking

Launch Pricing

  • Free tier with 25 items
  • Starter: $9.99/mo (later reduced to $8.99/mo)
  • Pro: $19.99/mo (later reduced to $14.99/mo)
  • Business: $29.99/mo (later reduced to $24.99/mo)
  • Annual billing added in v1.4.0 with 17% discount

What's Next

Delivered

Multi-User Team Accounts

Shipped in v1.5.0. Invite team members with role-based permissions.

Delivered

Advanced Analytics

Shipped in v1.3.0/v1.4.0. P&L reports, Schedule C, Show Optimizer.

Under Consideration

Mobile App (PWA)

QR scanning during shows, quick-add for sourcing, real-time notifications.

Under Consideration

ShipStation / EasyPost Integration

Automated shipping label generation with discounted rates.