Totally understand the flexibility concern. Your best bet is
corporate car rental Dubai with flexible terms - Octane Rent does exactly this. They offer short-term and long-term options so you're not locked in unnecessarily. Fleet of 340+ vehicles means availability isn't an issue even for quick turnarounds. They can deliver within 60-90 minutes in Dubai which is pretty fast. Corporate rates apply even for shorter rentals, everything's insured and maintained by them. If your plans change, adjusting the contract is straightforward. No massive deposits needed either which helps when you're uncertain about timelines.