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If you start a side hustle in Germany (like publishing books or affiliate marketing) while working a full-time job, your health insurance provider ( e.g. AOK) will send you a form called “Prüfung der Krankenversicherungspflicht”. 📅 Real-Life App Timeline: What to Expect They want to confirm that your regular job is still your main focus…
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If you’ve been following Sentinel Blueprint for a while, you know I love diving into the world of making, creating, and safety engineering. But let’s be honest: not every day in the workshop ends with a perfect masterpiece. In fact, some days are just a series of stubborn machines, missing tools, and zero weld penetration.…
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When you’re pouring your heart into building a side hustle, expanding your creative work, or adding a new commercial stream in Germany, it’s easy to assume you can just drop a quick message to your local tax office and update your details. Honestly, I thought a simple informal change (Änderungsmitteilung) would do the trick. But…



