23 Things You Should Always Book in Advance (And 7 You Shouldn't)

9. Rental Cars During Peak Travel Times - Wheels When You Need Them

The rental car industry experiences dramatic fluctuations in availability and pricing that make advance booking essential during peak travel periods, major events, and in destinations with limited vehicle fleets. Popular vacation destinations, particularly islands or remote locations with limited rental car inventory, can experience complete sellouts during peak seasons, leaving travelers stranded without transportation options. Major events such as festivals, conferences, or sporting events can absorb entire local rental car fleets, creating scarcity that drives prices to astronomical levels for any remaining vehicles. The consolidation of the rental car industry has reduced overall fleet sizes while increasing demand, creating a supply-demand imbalance that particularly affects last-minute bookers. Specific vehicle categories such as luxury cars, large SUVs, or specialty vehicles have extremely limited availability and require advance booking to ensure access when needed. International destinations often have additional complications such as manual transmission vehicles, different licensing requirements, or limited insurance options that are better addressed through advance planning. The rise of ride-sharing services has reduced rental car demand in urban areas but has simultaneously increased demand in vacation destinations where ride-sharing options may be limited or nonexistent. Additionally, advance booking allows travelers to secure preferred pickup locations, avoid airport premium pricing, and take advantage of early booking discounts that can provide significant savings over last-minute rates.