Florida Rental Cars and Toll Roads — Avoid Dollar / Thrifty

Avoid Dollar / Thrifty rental cars in Florida, particularly in the Miami area, unless you are certain you can stay off toll roads.

http://rapidtravelchai.boardingarea.com/2011/09/08/battling-floridas-tolls-get-a-sunpass-or-at-least-avoid-dollarthrifty-in-miami/

This blog entry discusses alternatives which could save you $100+ in fees.