Gents, For the R15000.00 solar panel rebate of 25% you can only get about 4 off 550Watt panels ( if you can get any in SA ) This is absolutely pathetic from SARS and government which brought us into this mess.
If you do tip, they always expect a tip. If you do not tip, chances are they will damage your vehicle
However, their normal behaviour is to expect a tip when they do more than fuel up, like cleaning windscreen, pump tyres etc