Appliances
Roborock S4 Max Robot Vacuum
by Roborock
36
1 endorsements on r/BuyItForLife first recommended in Jul 2025
A LIDAR-navigating robot vacuum from Roborock's S4 Max line, with parts sourced separately from Xiaomi/Roborock ecosystems.
Added Jul 5, 2026, Updated Jul 7, 2026
Why it's buy-it-for-life
One owner ran it 3+ times a day since late 2021 with no failures, crediting regular deep-cleaning of internals (2-4x/year) and the availability of replacement parts, including non-consumable parts like wheels.
What redditors say
Recommended on reddit as recently as July 2025
Tags
robot-vacuum lidar-navigation repairable
Roborock S4 Max - Ordered 09/2021 and it's been running 3+ times a day ... for the entirety of it's ownership.