The Secrets of the Fives and Nines

Pssst...! Wanna know a secret?

How about the secret of the Fives and Nines?

Most Crapshooters do not buy the five or nine as the 5% vig makes it unprofitable to do so.

For example on a $30 bet you would have to pay 5% of $30, or $2 (rounded up from $1.50) just to make this buy bet. If you place the 5/9 for $30 you will win $42 at 7:5 odds. If you buy the 5/9 for $30 you will win $45, but you