Wild Card / Self-drive links

Self-drive info from Lisa
https://www.wildcard.co.za/buy-now/ ... my questions: What "cluster" do we need? What are "pax"?
https://www.neverendingvoyage.com/kruger-national-park-self-drive-cost/ ... brief info
https://www.neverendingvoyage.com/kruger-self-drive-safari-guide/ ... lots of good detail

CNN article: Kruger National Park considers new technology rules to protect visitors and animals

https://www.cnn.com/travel/article/kruger-national-park-photos-scli-intl/index.html