Rewards1 is a GPT site that is not very well-know but it actually gives quite a lot of options in South Africa.
It is not the easiest to get started with as it is a bit confusing at first, but if you take the time to get to know it, you can earn by taking surveys, watch videos, take offers, participate in free contest, get extra benefits the more you earn, and more.
Payout methods: PayPal, gift cards
Payout threshold: $5
Rewards1 has a very big selection of rewards and you can find many different gift cards or get your earnings out in cash via PayPal when you have earned $5.