Don't start with a hub. Start with one device.
The most common smart-home mistake is buying a starter kit with six devices and an app that wants to run your whole house before you've decided you even like any of this. Start smaller: one smart plug, under $15, on whatever lamp or appliance annoys you most to turn on and off manually. Live with it for a week. That's enough to tell you whether you want to go further — without a drawer full of gadgets you gave up on.
The hub decision (make it once, make it deliberately)
Once you're ready for more than one device, the single decision that matters most is which ecosystem you're building in, because switching later is annoying:
- Apple Home — best if your household is mostly iPhones/iPads. Strong privacy defaults, smaller device selection than the alternatives.
- Google Home — best if you're already using Android and Google Assistant. Widest voice-assistant integration.
- Amazon Alexa — largest device compatibility list, especially for budget smart-home brands.
The good news: this decision matters much less than it used to. Matter is a newer standard that most major smart-home devices now support, meaning a Matter-certified device generally works across all three ecosystems above. Look for the Matter logo on the box — it's the closest thing to a "safe default" this category has.
Security basics almost everyone skips
Smart home devices are small, cheap computers, permanently connected to your network and the internet, usually with worse security than your laptop. Four things that actually matter:
- Change default passwords on anything that has an admin login of its own (cameras especially) — not just your WiFi password.
- Keep firmware updated. Most apps have an auto-update toggle; turn it on rather than checking manually.
- Use a guest or IoT network for smart-home devices instead of your main network, if your router supports it (see the Home Network guide). It limits what a compromised device can actually reach.
- Be deliberate about cameras and microphones. Buy from brands with a track record of security disclosures handled responsibly, not just the cheapest listing — this is the one category worth paying a bit more for.
A sane order to buy things in
- One smart plug — cheapest way to find out if this is for you.
- Smart lighting in one room you actually spend time in, not the whole house at once.
- A hub-required device (lock, thermostat, camera) only once you've picked your ecosystem.
- Voice assistant hardware last — it's the easiest piece to add on top of an ecosystem you've already chosen, and the least useful piece to buy first.