If the premium for a wedding cake is really 2x as much as a regular one, you could use 2 less-reputable vendors and hope at least one comes through. Which is a

If the premium for a wedding cake is really 2x as much as a regular one, you could use 2 less-reputable vendors and hope at least one comes through. Which is an absolutely crazy notion, but I don't see why we can't apply our learnings from things like managing AWS costs (on demand instances vs. pre-emptible instances) to wedding supplies.