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Event Vendor Selling

TLDR

Sneaker convention vendors and pop-up sellers use StackKnack to sell in person at events while keeping their Shopify, StockX, and eBay listings accurate in real time. When a pair sells at a booth, online listings update automatically.

Who this is for

  • Sneaker vendors who sell at conventions (Sneaker Con, Got Sole, etc.)
  • Pop-up shop operators
  • Resellers who attend multiple events per month while maintaining online stores

The problem

Event vendors face a unique challenge: they bring physical inventory to an event and sell in person, but their online listings remain active. This creates two risks:

  1. Oversells: A pair sells at the booth, but the online listing is still live. A customer buys it on Shopify at the same time.
  2. Missed sales: Vendors take down all online listings before an event to avoid oversells. They lose online sales for the duration of the event, including on items they did not bring.

Both outcomes cost money. Vendors need a way to update online listings in real time as they sell at events.

How StackKnack solves it

Before the event

  1. The vendor marks which items they are bringing to the event in StackKnack.
  2. StackKnack keeps online listings active for those items until they sell in person.
  3. Items left at the store or warehouse remain listed as normal.

During the event

  1. When a pair sells at the booth, the vendor records the sale in StackKnack via mobile device or Clover POS.
  2. StackKnack immediately updates Shopify, StockX, and eBay listings.
  3. If the last unit of an item sells, online listings are deactivated.

After the event

  1. Unsold items are still in StackKnack with accurate counts.
  2. No manual reconciliation needed.
  3. Margin reports include both event sales and online sales.

Example

A vendor brings 50 pairs to Sneaker Con. They have 200 additional pairs listed online.

  • During the event, they sell 35 pairs at the booth.
  • Each sale triggers an immediate update to all online platforms.
  • They also sell 8 pairs online during the event (from the 200 not at the event).
  • After the event, inventory counts are accurate everywhere. No spreadsheet reconciliation needed.

Inputs

  • Items selected for the event (marked in StackKnack before the event)
  • Sales recorded at the event via POS or mobile
  • Online sales that continue during the event

Outputs

  • Real-time inventory updates across all channels during the event
  • Post-event inventory report showing event sales vs. online sales
  • Margin report for the event

Limitations

  • Requires cellular or WiFi connectivity at the event venue to sync in real time. Without internet, sales can be recorded offline but will sync when connectivity is restored.
  • Very fast-paced selling (e.g., 10 sales per minute) may experience brief sync delays.
  • StackKnack does not manage event booth logistics, ticketing, or event registration.
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