Evaluate the valence intensity of the following sentence, considering the mental state of the author. Present a score between 0 and 1, where 0 denotes extremely negative and 1 denotes extremely positive.
Sentence: Additionally, even if you paid cash for the house, you'd probably want to carry some homeowner's insurance with all the inherent risks to the property (arson, vandalism), and I'm sure it's sky-high, given those risks.