5 budget tiers with verified installation costs.
$0-100 (Starter): 1-2 smart plugs + bulbs.
$300-500 (Foundation): Smart thermostat + 4 plugs + 4 bulbs + smart bulbs.
$1,000-1,500 (Family): + Robot vacuum + air purifier + camera + lock.
$2,500-5,000 (Premium): + Sleep tracker + light therapy + projector + speaker.
$5,000+ (Whole-home): + Solar + battery + EV charger + heat pump.
Average payback
Foundation: 12 months · Family: 18-24 months · Premium: 36 months from energy + lifestyle benefits.
AI-assisted research synthesis · human-edited by SUJI KIM · EU AI Act Art. 50 transparency
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