I've been there, and the conditions are so bad, most of the Sub Sahara areas are unlivable, and getting worse.
Depending of whose numbers you believe, AIDS infect between 25 and 50% of the population.
Nothing works - phones, hospitals, railroads, etc..
The only stable currency was the Rand, and now it is falling apart.
Suggest you research further before making the jump.
Have you ever been there?