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Profflow blog

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The e-commerce news that moves a store’s money — tariffs, customs, platforms, the big sales — and what each one does to what stays.

  1. News · EU
    The Berlaymont building in Brussels, seat of the European CommissionThe EU’s €2 parcel fee arrives in November. Who pays it, and on what.On top of the €3 duty that started in July, the EU adds a handling fee on parcels bought from outside the Union — expected from 1 November, set at €2 an item in the Commission’s act. What it changes for a store shipping into Europe.Read more · 4 min
  2. Cash
    profflowWhy your Shopify payout doesn’t match your sales.profflow.coWhy your Shopify payout doesn’t match your sales.Shopify says one figure, the bank receives a smaller one, a few days later. What comes off before the money is sent, when it arrives, and why neither number is your profit.Read more · 5 min
  3. Margins
    profflowContribution margin: the number that decides how much your ads can cost.profflow.coContribution margin: the number that decides how much your ads can cost.Revenue says how much came in; contribution margin says how much of it can pay for ads. One figure sets your break-even ROAS, the most an order can cost and how many orders a month has to sell.Read more · 5 min
  4. News · United States
    Official presidential portrait of Donald J. Trump, 2025Trump’s tariffs after the Supreme Court: refunds, the 10% that replaced them, and the parcels that still pay.The Supreme Court struck down the IEEPA tariffs in February. Refunds are being ordered, a temporary 10% global tariff followed, and the end of duty-free small parcels has survived in court. What a store selling into the US should book where.Read more · 5 min
  5. News · Amazon
    An Amazon fulfillment center in Ocala, FloridaPrime Big Deal Days: $9.86 billion in two days, and what it says about November.Adobe counted $9.86 billion of US online spending on 6–7 October, up 8.5%, with discounts peaking near 20%. It expects a record $275.1 billion holiday season. The number that matters for a store is the one under the discount.Read more · 3 min
  6. Shopify
    A desk with a laptop, a calculator and an open notebookShopify in October: your conversion rate changed. Your shoppers did not.Since 21 September Shopify counts sessions differently, discounts can now be tested in Rollouts, and from 23 October US return shipping is taxed. What each one does to the numbers you read — and what it does not touch.Read more · 4 min
  7. Margins
    A shopper holding several shopping bagsBlack Friday 2026: the discount that sells more and keeps less.Black Friday is 27 November. Before a percentage goes on the banner: what a discount leaves after VAT, goods, fees and ads, how many more orders it needs just to stand still, and the return on ad spend it needs to break even.Read more · 5 min
  8. Advertising
    Times Square at night, lit by advertising screensGoogle shows where Performance Max spends. Read it on margin, not on conversion value.Performance Max now reports by channel — Search, YouTube, Display, Gmail, Discover, Maps and search partners — and since late September Search campaigns ignore the language setting. What both mean for a European store’s ad numbers.Read more · 5 min
  9. VAT & invoicing
    A handwritten invoice from 1863, columns of items and amounts on aged paperE-invoicing reaches European B2B orders. What it means for a Shopify store.Belgium since January, Poland since February and April, Germany from 2027: invoices between businesses must now be structured files, not PDFs. Which of your orders that covers, which it does not, and what to check.Read more · 5 min
  10. Film
    An aerial view of a valley in the Dolomites under a clear skyWhat really stayed. One month of a store, in a minute.Shopify said €7,940. The store kept €2,521. A short film about where the difference went, and the four things Profflow answers about it.Watch · 1 min
  11. News · Shopify
    The Shopify sign in the lobby directory of its Toronto officeShopify lets AI agents finish the checkout. What changes for a store.Since 28 September, AI agents working in a browser can review, change and place an order on a Shopify store, with the buyer’s authorisation and Shop Pay included. The next new channel arrives without an ad click.Read more · 3 min
  12. Customs & duties
    The European Parliament chamber in Brussels, with the flags of the member statesThe €150 duty exemption is gone. What the EU’s €3 duty does to a margin.Since 1 July 2026 every low-value parcel entering the EU pays customs duty again — €3 per item, until 1 July 2028. Who pays it, how it is counted, and where it belongs in your profit.Read more · 6 min
  13. VAT & OSS
    profflowOSS this autumn: the Q3 return, the rates that moved, and what ViDA changes by 2028.profflow.coOSS this autumn: the Q3 return, the rates that moved, and what ViDA changes by 2028.The July–September return is due by 31 October. Four standard rates have changed since 2024, and the EU’s VAT in the Digital Age package reshapes the One-Stop Shop from 2027. A checklist for a Shopify store selling across the EU.Read more · 7 min
  14. Shopify
    profflowShopify in September 2026: the changes that touch your profit figures.profflow.coShopify in September 2026: the changes that touch your profit figures.A new admin, a redesigned payouts page, multi-currency payouts in France, a change to how sessions are counted, and duty data in analytics. Which of this month’s releases change a number you report, and which only change how it looks.Read more · 5 min
  15. Methodology
    profflowHow we work out real profit.profflow.coHow we work out real profit.Six costs stand between revenue and what reaches you. One of them, in Europe, is inside the price rather than on top of it. The arithmetic behind every figure Profflow shows, one line at a time.Read more · 5 min