What Nobody Tells You About Building a Custom IoT Platform from Scratch

Most connected products start on a managed IoT platform. It makes total sense you get device provisioning, a basic dashboard, and MQTT connectivity without writing much code. Ship fast, validate the idea, and learn what your customers actually need. But somewhere between 500 devices and 5,000, things start getting uncomfortable. The data pipeline chokes during peak ingestion. The dashboard cannot show the custom views your ops team has been asking for. Protocol support is limited to what the ven