Convection oven vs. traditional oven

Recently I got this email from my sister-in-law: Do you see a benefit to using a convection oven vs. a traditional oven?  I understand that the convection oven distributes the heat more evenly, and there is a cost benefit because it cooks faster saving some electricity. With better oven design and manufacture is that even a thing still? – Juliana

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Conventional Oven vs. Convection Oven - The Home Depot