I think 2-3 droids for a family of 4-6 would be suffice, the robots can work 24/7 actually 1 would work, but effectively, having a few allows for higher degree of offloading. I'm also sure that the humanoids will maintain the purpose bots, because thats what I do now, big part
Household Robots: 2-3 Droids Optimal for Family Automation
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