The varying prices in additional transfer/bond costs just proves attorneys fees are exorbitant for work that they are suppose to be carrying out anyway what does the transfer/bond fees pay for then? This whole process is a money making scheme at the end of the day.
Of coure it is for money-making. Attorneys want to earn their living. Many just do the same old conveyancing, over and over, probably well, and some unfortunately rip their clients off.
Here's quite a good outline of what the conveyancing attorneys actually
do to earn their money. The kind of scrutiny of all the documents, and making sure any of the steps is not done before all the right paperwork has been completed, would not be possible, diy, for most buyers and sellers.
https://www.ooba.co.za/resources/conveyancing-fees/
South Africa, for all its many deficits, does have a very well regulated and well executed property register, and the fact that things are required to be done so strictly actually prevents quite a lot of litigation and heartache. A buyer in South Africa will know, from the start, if there is, for example, a servitude on the property, whereas in some other countries this kind of thing causes endless disputes.