Discover the most profitable opportunities in the $2.4 billion robot vacuum market across major US online marketplaces. This analysis reveals which platforms offer the highest opportunity scores, from Amazon's budget segment dominance to Walmart's emerging mid-range potential. Learn the key success factors for each marketplace, understand buyer personas driving demand, and identify underserved niches in this rapidly growing smart home category. Essential reading for online sellers looking to capitalize on the automation trend transforming household cleaning.