Ever bought a smart device only to discover it won't talk to anything else in your home? You're not alone—and it's costing people hundreds of dollars in wasted purchases. In this episode, Marcus Chen breaks down the 12 critical factors you need to evaluate before buying any smart home device, from your first smart bulb to a whole-home system. If you've ever struggled with compatibility nightmares, surprise subscription fees, or automations that fail when the internet drops, this checklist will save you serious headaches and money.

• Protocol choice makes or breaks your setup: Zigbee sensors won't communicate with Z-Wave hubs without a bridge, and if you're starting fresh in 2026, Matter 1.4 devices offer the best cross-platform compatibility available right now.

• Cloud-dependent automations fail during internet outa ...