Tic,

I am not sure which site you are looking at, but on Vernon's Car Rental site, there are prices for the insurance - here are the rates as listed on the site:

D.V.W - Damage to Vehicle Waver $ 12.00 per day
This insurance reduces the risk of you paying for the total damage to the Vehicle .PLI - Public Liability Insurance $ 10.00 per day
This Insurance reduces the risk of you paying full damage to third party Vehicle .
Here is the link to Vernon's Car Rental:

http://vernonscarrental.com/