Glossary

The most important reseller terms briefly explained — from bundle to sell-through.

Reselling
The buying and reselling of items (mostly second-hand fashion) with profit intent via platforms like Vinted, eBay or Etsy.
Bundle
A package of several items sold together (often at a discount) or bought as a purchasing lot.
Bump / boost
Pushing a listing back up in feed and search to increase visibility — paid or by relisting.
Crossposting
Offering the same item on multiple marketplaces at once, ideally with synced stock.
Flip
A single profitable resale; “to flip” = buy cheap, sell higher.
Snipe
A quickly secured deal/bargain before others grab it; snipe tracking keeps an eye on in-demand items.
Sell-through rate
Share of stock that sells in a period — a metric for healthy turnover.
ROI
Return on Investment: profit relative to the purchase capital deployed.
Margin
The profit share per sale after deducting purchase, fees and shipping.
Deadstock
New goods never sold/worn, often from old stock — sought after by collectors.
Grail
A particularly coveted, rare collector's or wish-list piece in a niche.
Kilo goods
Unsorted second-hand clothing sold by weight (per kilo).
DAC7 / PStTG
EU rule or German Platform Tax Transparency Act: platforms report seller data to the tax office.
Margin taxation
VAT only on the margin (§25a UStG), relevant when reselling used goods bought from private individuals.
Small-business scheme
§19 UStG: below certain revenue limits, no VAT is shown.
SKU
Stock Keeping Unit — a unique item number for stock and warehouse management.
Flatlay
Photo of a garment laid flat, shot from above.
Cutout
Image with the background removed, usually for a clean white background.
AI on-model shot
An AI-generated image showing your real item on a generated model.
Lowball
A deliberately very low purchase offer well below market value.
Relisting
Relisting an item (instead of just bumping), often with reworked photos/title.
Bulk editing
Editing or listing many items at once instead of individually.
Wholesale
Wholesale/bulk purchase of goods for resale.
Sourcing
Procuring goods for resale (finding sourcing sources).
Buyer protection
Protection of the buyer against non-delivery/wrong delivery, works only within the platform.
Item Specifics
eBay item specifics (brand, size, color …), important for search and ranking.
Crosslister
A tool that distributes the same listing across multiple marketplaces.
Auto-delisting
Automatically removing a listing on other channels once it has sold elsewhere.
Bump rate
How often/regularly listings are bumped to stay visible.
Poshmark / Depop / Mercari
International reseller marketplaces; Depop (Gen Z, Y2K), Poshmark/Mercari (mainly USA).
Vinted Pro
A commercial Vinted account with corresponding features and obligations.
DAC7 threshold
Reporting threshold: 30 sales or €2,000 income per year and platform.
EÜR
Cash-basis profit statement — a simple profit calculation for taxes.
GoBD
Principles for the proper, unalterable retention of digital receipts.
Small business (owner)
Scheme under §19 UStG: no VAT when staying below the limits.
LUCID / VerpackG
Packaging register and act: registration obligation for commercial shipping.
Sourcing
Procurement of goods for resale.
Cream / Grade A
Highest quality tier of curated sorted/kilo goods.
Wardrobing
Return fraud: worn goods are sent back.
Chargeback
Reversal of a payment, often in a fraud context.
Item Specifics
eBay item specifics, important for search and ranking.
Best Match
eBay's default sorting of search results by relevance.
Break-even
The point at which a buying lot has recouped its costs.
Contribution margin
Sale proceeds minus variable costs (purchase, fees, shipping).
Crosspost sync
Automatic stock reconciliation across multiple platforms.
Bundle discount
A price discount for buying several items together.
Clearance lot
Larger quantities of clearance/return goods for cheap resale.
Sell-through
Sell rate of stock in a period.
Bump
Boosting a listing for more visibility.
Account-safe
A way of working without forbidden mass-actions in the platform system.

Practical knowledge from the reseller community and experienced full-time sellers, summarized generally. Legal & tax matters follow official sources (incl. the German Federal Central Tax Office on the Platform Tax Transparency Act/DAC7) and do not replace tax or legal advice. As of 2026.

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