Originally Posted by AutoSlash

There are many codes that include LDW but they are for employees of the company/organization the code is for. It would be useless to you, because if you did get into an accident, the first thing Avis would do would be to contact the company/organization whose AWD code you used to verify that you were an employee and authorized to use it. Of course the company is going to say no, and then the LDW/ALI that you thought was included in your rate is null and void. Not a good plan.

A better approach (assuming you don't own a car) is to get a non-owner's policy. The premium will be far, far less than the $1K Avis is going to charge you. You can also check out rentalcover.com or use a credit card that offers LDW, but you would still need something like a non-owner's policy if you wanted/needed ALI.