ReduceMyExcess.co.uk offers a car hire Excess Reimbursement Insurance ('ERI'). Instant online purchase is ideal if you are about to collect a hire car and don't want to pay the car hire company for their Excess Waiver which is often dearer. Reduce My Excess - Underwritten by AIG. Reduce My Excess - Feefo Platinum Trusted Service Awards. Annual cover from £45.06. Car Hire Excess Insurance from just £2.57 per day.