Built for collectible vendors

Run your collectible business from one place.

Buy smarter. Price with confidence. Manage inventory. Build trades. Make the margin before you make the deal.

See how it works

Inventory

Live

$0

Inventory value

$0

Cost basis

+34.6%

Unrealised margin

27d

Avg days held

Charizard Holo

Base Set · 1999 · NM

$1,240$1,860+50%18d

Alakazam ex RR

Shiny Treasure ex · JP

$92$148+61%6d

Destined Rivals ETB

Sealed · ×4

$236$312+32%41d

Umbreon VMAX

Evolving Skies · PSA 9

$1,050$980−7%94d

One system. Whatever you collect.

Your inventory may change. The fundamentals don't. Know what you've got, what it's worth, what you paid and what you can afford to offer.

  • Trading Cards
  • Sports Cards
  • LEGO
  • Miniatures
  • Comics
  • Figures
  • Memorabilia

Know the deal before you make it.

  • Buy

    Know the maximum price you can pay while protecting your margin.

  • Sell

    Price inventory using market data, cost basis and your target margin.

  • Trade

    Build both sides of the deal and immediately see your real exposure, profit and ROI.

  • Track

    Every purchase, sale and trade automatically updates your inventory and cost basis.

Trade builder

Live

Coming in — their items

  • Moonbreon PSA 10$1,420
  • Sealed Evolving Skies BB$640
  • Mixed modern lot ×22$310
Their market value$2,370
We pay @ 80%$1,896

Going out — our inventory

  • Charizard Holo NM$1,860
  • Cash difference$36
Cost basis out$1,240
Deal is evenBalanced

$0

Expected profit

+88%

Expected ROI

80%

Buy percentage

Inventory

Everything you own. Everything you paid.

One list for singles, sealed and graded. Cost basis, market value and margin sit side by side, so you always know what's working and what's sitting.

  • Cost basis
  • Market value
  • Margin
  • Acquired
  • Days held
  • Source
  • Condition
  • Category
  • Owner
  • Confidence

Inventory

Live

$0

Inventory value

$0

Cost basis

+34.6%

Unrealised margin

27d

Avg days held

Charizard Holo

Base Set · 1999 · NM

$1,240$1,860+50%18d

Alakazam ex RR

Shiny Treasure ex · JP

$92$148+61%6d

Destined Rivals ETB

Sealed · ×4

$236$312+32%41d

Umbreon VMAX

Evolving Skies · PSA 9

$1,050$980−7%94d

Market pricing

Market context without twenty tabs open.

Cardinal pulls sold comps, marketplace quotes and your own sale history into one estimate with a confidence rating. It's there to help you decide, not to decide for you — override it whenever your read is better.

  • Recent sales
  • Pricing sources
  • Confidence
  • History
  • % of market
  • Manual override

Item · Charizard Holo

Live

Estimated market value

$1,860

High confidenceUpdated 6m ago
  • eBay sold comps$1,842
  • TCGplayer market$1,905
  • Trade Me live$1,790
  • Manual override

Recent sales · 90 days

+4.2%

30d trend

46

Sales vol.

$1,302

We pay @70%

Trade Builder

Turn complicated trades into simple maths.

Put their pile on one side, yours on the other. Cardinal recalculates every time something moves — cash difference, buy percentage, cost basis, expected profit and ROI.

  • Their items
  • Your inventory
  • Cash difference
  • Buy %
  • Cost basis
  • Profit
  • ROI

Trade builder

Live

Coming in — their items

  • Moonbreon PSA 10$1,420
  • Sealed Evolving Skies BB$640
  • Mixed modern lot ×22$310
Their market value$2,370
We pay @ 80%$1,896

Going out — our inventory

  • Charizard Holo NM$1,860
  • Cash difference$36
Cost basis out$1,240
Deal is evenBalanced

$0

Expected profit

+88%

Expected ROI

80%

Buy percentage

Point of sale

From deal to inventory in seconds.

Take cash, card, bank transfer or trade credit — or split it however the customer wants. The sale, the fees and the inventory update happen together.

  • Buy
  • Sell
  • Trade
  • Split payment
  • Inventory update

Point of sale

Live

Basket · 3 items

  • Charizard Holo NM$1,860
  • Alakazam ex RR$148
  • Destined Rivals ETB$78
Deal price @ 95%$2,001
Cash taken$500
By card + fee$1,548.20

Scan to pay the balance

Inventory updates on capture

Built for the table, not just the back office.

Cardinal is designed for the moment someone puts a collection in front of you and asks, "What can you do?"

Laptop at the boothTablet on the tablePhone in your hand
Cardinal VendorPowered by Cardinal
Cardinal running on a laptop and tablet at a collectibles show vendor booth

Less spreadsheet. More dealing.

  1. 01

    Scan / Search

    Find the item.

  2. 02

    Value

    See the market.

  3. 03

    Offer

    Apply your buying rules.

  4. 04

    Trade

    Add your inventory or cash.

  5. 05

    Commit

    Know the profit before saying yes.

  6. 06

    Track

    Inventory updates automatically.

The hobby is fun. Your margins still matter.

Understand where your money is sitting, what is moving and what is actually making you money.

  • Revenue
  • Inventory value
  • Cost basis
  • Gross profit
  • Avg buy %
  • Avg margin
  • Inventory age
  • Expected ROI
  • Capital deployed
  • Top categories
  • Slow movers

Dashboard

Live

$0

Revenue (90d)

$0

Gross profit

$0

Capital deployed

68.4%

Avg buy %

Inventory value by month

Top categories

  • Graded singles82%
  • Sealed61%
  • Japanese47%
  • Vintage33%
Slow moving3 items held 90+ days · $2,410 tied up

Built by people who actually buy, sell and trade.

Cardinal started because we wanted better tools for running our own collectible business. We wanted to know what we owned, what we'd paid, what it was worth and whether a deal made sense before shaking hands.

ACQUIRED 12 AUG 26NMINV-000124MARKET $346.42

Your numbers stay yours

Cost basis, margins and customer detail never leave your environment.

Every category, one workflow

Singles, sealed, graded, lots — same buying rules, same reporting.

Your own environment

Each vendor gets their own Cardinal workspace, spun up when you join.

Make better deals.

Know your inventory. Know your market. Know your margin.

See the product