Five steps, done in order, in roughly twenty minutes spread over the days before you drive. They are boring. They are also the whole reason some readers hand back keys in ninety seconds while others spend an hour in a small office being shown a paint depth gauge.
Before anything else, ask what the excess is on the exact class you have booked, and ask for it as a number. Then ask what the waiver costs per day and what the waiver still excludes. If the answer comes back as a product name rather than a figure, ask again. A class that sits at R20 000 and a class that sits at R45 000 call for completely different decisions about add-ons, and you cannot make that decision from a web page quoting a daily rate.
Write down the roads you will actually drive, including the last stretch to wherever you are sleeping. Read them to the clerk and ask whether each is permitted and whether the waiver remains live on each. Where the answer is yes, ask for it noted and initialled on the agreement. This single step is the one that separates a R7 000 undertray conversation from a shrug, and it takes about two minutes.
The deposit card must be in the main driver's name and should have room for the hold plus a week of fuel. Every person who will drive must be listed, at around R60 a day, which is far cheaper than the alternative. Check the spare is a full-size wheel rather than a temporary one, check the jack and brace are present, and check the warning triangle and vest, especially if you are crossing a border.
Walk the car anti-clockwise from the driver's door so the kerb side comes early. Photograph each wheel face, both bumper corners, the sills, the glass in raking light and the boot floor with the mat lifted, then take one frame showing the odometer and fuel gauge together. Add every chip and scuff to the sheet, including ones you assume are already known. The clerk is not your opponent in this, and a thorough sheet protects both of you.
Confirm the fuel policy in writing, the exact return time, where the after-hours drop is and what it costs, and who will be on duty to sign the car in. Full-to-full with a R250 admin fee if short is the common arrangement and the easiest to get right. An after-hours drop at R300 to R450 is sometimes worth it and sometimes a trap, because a car signed in by nobody is a car you cannot prove you returned undamaged.
Five minutes of reading at this desk has saved readers five-figure excess claims more than once. Tell us the car class, the dates, the route and the counter, and we will come back with the figures that matter.