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Subscription sales in an online store: calculate the discount before you promise it

Subscription sales can lose money on your best customers. See how to set the loyalty discount, its cap, order changes and pauses so your margin survives.

Michał Kloczkowski

Update date: 2026-09-15

From marketplace to your own store: 9 things to keep in mind

Your own online store or a marketplace: commission falls with sales, the server bill doesn't. See 9 differences and how to run both channels, not pick one.

Michał Kloczkowski

Update date: 2026-09-14

Product bundles: when a lower margin yields higher profit

Product bundles give up margin upfront and earn it back on volume. Work the numbers on a real example and see what a bundle does in the warehouse and the ERP.

Michał Kloczkowski

Update date: 2026-09-10

A mobile app for an online store is a separate business

A mobile app for an online store is a separate business: it lives on retention and has its own running cost. See the two conditions that justify one.

Michał Kloczkowski

Update date: 2026-08-18

10 Most Common Mistakes When Creating an Online Store

Do you want to start selling your products online? This is undoubtedly a great idea – people are more and more willing to buy online. E-commerce in Poland alone is developing dynamically and having your own eStore simply pays off – especially now, in the coronavirus pandemic and with the restrictions it has brought. In 2019 the eCommerce in Poland alone was worth over 15 billion USD and accounted for 11 percent of its retail market. According to estimates, this year the Polish eCommerce will grow by as much as 26 percent compared to last year – but we can assume that the final increase may surprise even the experts (source: PMR and Bezprawnik.pl).

Update date: 2026-02-23

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