2 articles on cutting height — guides, reviews and comparisons from the team that measures real lawns.
How-to Robot Mower Tips for Hilly Yards: 12 Ways to Win on Slopes Twelve field-tested robot mower tips for hilly yards: cutting height, wet-grass scheduling, exclusion zones, dock placement and slope-proof mapping from a dealer. 
Buying Guides 10 Things I Wish I Knew Before Robotic Lawn Mowing Three seasons of robot mowing taught me 10 things I wish I knew on day one — the mulch-bed edging trick, buffer zones, deck height, daily micro-cutting and more. 