Choosing a pricey connected device over a cheaper does not guarantee it is immune to hacking or free of vulnerabilities. Most often, the price difference is due to the quality and performance of the physical parts. Companies that understand this risk to consumers and the impact on their business make defenses against unauthorized access an objective. Resources allocated specifically for this purpose are usually reflected in the price of the product. These precautions do not ensure error-free code, but they do make it harder to find a hole and compromise the device.”]
Source: https://www.bitdefender.com/blog/hotforsecurity/expensive-iot-devices-not-immune-vulnerabilities/