I do know from experience however that in smaller cities, towns and even out in the burbs they can be hard to get hold of.
Always keep a backup, for the cost of one of these babies it makes sense, especially if you live in a tough area to buy one
Secondly, take care of the one you have, dont knock it about and clean it well and often.
But yeah, good old SA, beautiful place but some things i just dont miss
Poked a hole straight through the bottom of the bowl cleaning w and QTIP (hella thin glass), clean hole, but now there's the carb hole and the broken one. Smoking a bowl between the two holes.. a waste or is it safe ???