New Delhi, Sept. 16 -- Robot vacuum cleaners are no longer futuristic gadgets but everyday household tools designed to save time. Yet buying one is not as simple as picking the model with the highest suction power. Unlike traditional vacuums, robot cleaners vary in intelligence, adaptability, and long-term usability. From mapping technology to connectivity reliability, every detail impacts how effective the cleaner will be in your home. Overlooking these factors can turn a promising gadget into a frustrating purchase. Here are five thoughtful considerations that go beyond the obvious, helping you choose a robot vacuum that truly delivers convenience.

Not all robot vacuums "see" the world the same way. Some use basic bump-and-go sensors, ...