iRobot Roomba i1 Plus vs iRobot Roomba i7: What is the difference?

Roomba I Series Comparison: I1 vs. I3 Evo

iRobot Roomba i1 (1152) Robot Vacuum - Wi-Fi Connected Mapping, Works with Google, Ideal for Pet Hair, Carpets (Renewed)

Roomba iRobot i7+ vs i8+ Costco (what are the differences)

Overview of Roomba® i Series Anatomy and User Interface

What the what? A Roomba i1+ not bad for $350. If your on a budget. Weird they just now come out with an i1+ after the have these for years i3+, i6

iRobot Roomba s9 Plus Review: A Nearly Perfect Robot

Roomba i3 vs i7 - What They Don't Tell You

Roomba j7+ vs s9+ vs i7+ - 5 Cleaning & Performance Tests Compared

iRobot® Roomba® i1 (1152) Robot Vacuum - Wi-Fi® Connected Mapping, Works with Google, Ideal for Pet Hair, Carpets