https://radovanvitosevic.com/notes/ Short essays on building Billingz, operating from scale, designing with restraint, finding the product moment. en Copyright 2026 Radovan Vitosevic Thu, 07 May 2026 00:00:00 +0000 radovanvitosevic.com https://radovanvitosevic.com/assets/og/og-default.jpg https://radovanvitosevic.com/notes/ https://radovanvitosevic.com/notes/the-document-trap/ https://radovanvitosevic.com/notes/the-document-trap/ Thu, 07 May 2026 00:00:00 +0000 Dr. Radovan Vitosevic Sending invoices stopped being hard a decade ago. The category solved the wrong problem and never moved on. The real problem is position. https://radovanvitosevic.com/notes/the-product-moment/ https://radovanvitosevic.com/notes/the-product-moment/ Wed, 15 Apr 2026 00:00:00 +0000 Dr. Radovan Vitosevic Five words that decide whether anyone keeps using your software. They're harder to engineer than they sound, and most products never produce them. https://radovanvitosevic.com/notes/why-visibility-beats-accounting/ https://radovanvitosevic.com/notes/why-visibility-beats-accounting/ Sun, 15 Mar 2026 00:00:00 +0000 Dr. Radovan Vitosevic Freelancers don't need better books. They need to see what's real, what changed, and what's about to hit them. That's a different product. https://radovanvitosevic.com/notes/what-scale-taught-me/ https://radovanvitosevic.com/notes/what-scale-taught-me/ Sun, 15 Feb 2026 00:00:00 +0000 Dr. Radovan Vitosevic The reflexes that work when you're running thousands of people across regions are the exact reflexes that kill an early product. Forgetting them on purpose.