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by scott_karana 4138 days ago
Presumably by taking a percentage for acting as a convenient middleman. (At least eventually, even if they aren't now)

  Cust: I want 100 bananas
  Magic, to Instacart: how much does 100 bananas cost?
  Instacart: $100
  Magic, to customer: Sure! Does $109.19 sound okay to you?
  Cust: sure