[Supplier] How do you decide when to dual-source versus stay concentrated with one supplier?

I usually make that decision by looking at two things together: how painful supply failure would be, and how much value concentration is actually giving us. If a category is critical, capacity is tight, or the operational cost of disruption is high, dual sourcing often deserves more serious consideration even if it adds complexity.

On the other hand, splitting volume just to feel safer can weaken leverage and execution if...