Seller intelligence
Field notes on marketplace fees, 2026 EPR enforcement, and cross-platform profit math. Written for sellers doing the actual work.
May 6, 2026 · 9 min read
The DAC7 rules pushed every serious Vinted reseller into a Pro account by 2026. The fee model shifted from zero-commission to 5% + €0.70 — here is how to keep margin above 30% in the new reality.
Model a reseller basket through the OmniProfit calculator to see which items survive Vinted Pro's fixed-fee drag on your actual sourcing cost.
May 3, 2026 · 8 min read
Switching from plastic to paper packaging is good PR. In 2026 it is also a measurable margin lever — EU EPR rates charge 6× more for plastic than paper per kilogram, and UK EPR modulation is catching up. Here's the ROI calculation.
Model the EPR savings from switching materials in the OmniProfit calculator — set the region to DE and swap plastic grams for paper to see the per-order delta.
May 1, 2026 · 10 min read
Germany's VAT regime for distance sellers has stabilised by 2026, but the rules still trip up US, UK, and Canadian sellers shipping into DE. Here's MwSt, OSS, IOSS, and the marketplace facilitator model in plain English.
See how DE 19% VAT changes your net revenue in the OmniProfit calculator — toggle the VAT-registered flag and watch the break-even move.
April 30, 2026 · 9 min read
Post-Brexit customs rules, the 12.8% UK final value fee, and the new UK EPR regime have turned eBay UK into a different beast for US and EU sellers. Here's the 2026 playbook.
Test eBay UK fees against your current marketplace in the OmniProfit calculator to see if the switch actually helps your margin.
April 28, 2026 · 9 min read
Extended Producer Responsibility rules now apply at the marketplace layer for US sellers shipping into Germany, France, and Spain. Here's what you need to register, pay, and remit in 2026.
Model the 2026 German EPR fees on a real order in the OmniProfit calculator and see what they do to your margin.
April 26, 2026 · 8 min read
Vinted Pro launched across the EU and UK through 2024–2025 and is now the default for anyone doing more than a closet clear-out. Here's what the business-account fee model actually does to your net.
Model a Vinted Pro basket in the OmniProfit calculator to see what the 2026 commission does to your per-unit margin.
April 24, 2026 · 7 min read
Charm pricing is a marketing-textbook cliché. In 2026, with marketplace fee structures that round on tiers, the ending digit does something more interesting than boost conversion — it shifts your effective cost. Here's the math.
See what a $0.01 price change actually does to your net in the OmniProfit calculator — some platforms round fees at tier boundaries, and the difference is real.
April 22, 2026 · 8 min read
Carrier zone repricing in 2025 made calculated shipping materially different from flat-rate pricing. Here's how to pick between them in 2026 — and why one wins on small items while the other wins on heavy ones.
Test flat-rate and calculated shipping side by side in the OmniProfit calculator — the net profit difference on a real SKU is usually larger than sellers expect.
April 20, 2026 · 6 min read
Etsy's 2026 fee schedule keeps the 6.5% transaction headline but tightens payment processing in the EU and adds a DE-specific packaging compliance pass-through. Here's what actually hits your margin.
Run your own Etsy listings through the OmniProfit calculator to see the 2026 numbers on your SKUs.
April 18, 2026 · 9 min read
Amazon's Low-Inventory-Level Fee (LILF), introduced April 2024 and expanded twice since, is the most-misunderstood line on the FBA statement in 2026. Here's the mechanic and the three ways to avoid it without overstocking.
Test the effective FBA cost per unit — including the low-inventory surcharge — in the OmniProfit calculator before committing to a replenishment cadence.
April 12, 2026 · 8 min read
Amazon FBA's 15% referral plus fulfillment is simple on paper. Shopify's 1.9% + fixed on EU plans looks cheaper until you add acquisition cost. Here's the real margin math for 2026.
Compare Amazon FBA and Shopify side by side in the OmniProfit calculator to see which platform wins on your SKU.