The good thing is, at least they got that home run display to show for it.

Miami-Dade will use hotel-tax revenue to pay off the bonds. But payments don’t kick in until 2026. Once they do, they get very costly very quickly. The first payment, for example, totals $260,000. The fifth jumps to almost $8 million and the 10th tops $20 million. Payment No. 18 brings the big hit: $118 million comes due in 2042 alone.

The high interest comes from the penalty Miami-Dade must pay in exchange for a ...