Robot Vacuum
Roborock S8 Pro Ultra
Premium automation is compelling, but the dock ecosystem raises long-run cost.
Not just the sticker
The real cost
Sticker
$1,099
estimated retail price
Runs you
$71–$231/yr
electricity, consumables, upkeep
Resale later
$680–$820
High resale now; expected decline after next flagship cycle.
Warranty
12 months
Where the yearly cost goes
- Electricity$16/yr
- Consumables & filters$95/yr
- Repairs reserve$55/yr
Electricity: ~90 kWh/yr × 18.3¢/kWh (live US average, EIA).
Consumables: Brushes (main + side), HEPA filters, Mop pads, Auto-empty dust bags.
The dock ecosystem creates recurring supply cost even if power use stays modest.
Estimated owner sentiment · ~4.4★
What owners say
People love the time savings, but dock maintenance and consumables define the true ownership cost.
Pros
- + Very low daily effort
- + Strong obstacle handling
- + Dock automation is genuinely useful
Cons
- – Expensive consumables
- – Dock complexity can add repair risk
- – Best value only at sale prices
Is the newer model worth it?
An honest take on whether upgrading is real value — or whether what you have is still great.
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