Double Entries, Part 2

Back at the beginning of March, there was a question that was submitted here on the Question of the Week "What percentage in the final round (Winner and RU) in $25k and larger races that allow it are doubled?" and we wanted to take another episode to really peel back the layers of doubling. If you’ve got a topic you want us to tackle, submit it at thisisbracketracing.com/ask.