Originally Posted by
Strawberry Cancer
As long as you have a print out reservation confirming your rate, the rental car company is required to honor it- providing that you arrive on time, of course. If you end up being delayed or need to change your reservation- call ALWAYS. If you try to re-book it or edit it online the price may rise, however if you call to move the reservation, the agent will only change your pick up date/time (I would confirm your rate with the agent though, should you decide to do this).
Depends how you call, too--if you call the location directly, it may not re-price; if you call Budget's national call center, the reservation may be re-priced, although supervisors can usually override that if it's just a change of a few hours.