Remember to look like you'll make good television, because that's what they'll be selecting by.
In 'The Frontier House' one couple guaranteed their admission by both being good looking and them wanting to get married during the series. These 'pioneers' arrived to a ready built cabin, with no explanation of how. And though the series explained that pioneers married in their street clothes; obviously the female viewers weren't going to stand for that. A beautiful perfectly fitting wedding dress magically appeared! :-)
The Sock