Stephen,unless she is an Eskom Engineer she will be unable to work until she has a Permanent residence Permit.
With SA Home Affairs being the disaster it is that could take a year or two.
You will find work (only 6% of the white population is unemployed or unemployable) especially as an Artisan.
If you are a degreed person you will find work but probably not advancement as the Affirmative Action starts with Black Female, Disabled at the top and then works through all the tiers to White Male , not disabled at the very bottom.