2 articles on safety — guides, reviews and comparisons from the team that measures real lawns.
Buying Guides Are Robot Mowers Safe for Kids, Pets & Wildlife? How robot mowers avoid hurting kids, pets and wildlife: pivoting blades, lift sensors, ~60 dB motors, no-go zones, Wildlife Mode — and the habits that matter. 
Tips & Maintenance 10 Things You Should NEVER Do With a Robot Mower People destroy $3,000 robot mowers in totally avoidable ways. The 10 mistakes to never make — from night-mow complaints to standing water and winter storage. 