Yes, if you do it on the Hertz web site. It will tell exactly what the cost will be. Portland to LA will be more costly.
Yeah, that's a one way rental. However sometimes those come with a charge per mile fee. However it's always good to check out the website or visit the rental counter at the airport for the fine details.
It is possible. They will charge you an extra fee for that. You can quote on hertz.com
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