Based on the results of my PriceCheck search for Copic markers, individual Copic markers are priced at R89 each. Some great starter sets to consider are the Ciao Twin-tipped Marker Set A, B, C or D, each containing 36 assorted colors for only R5006-R5007. These sets offer great value and variety to experiment with different Copic techniques. The colored pencils in the sets are refillable and alcohol-based, allowing for blended, layered colors. I hope these options are helpful as you look to add Copic markers to your art supplies. Please let me know if you need any other details.
Based on the search results, here are a few highlighter options that would be great for your needs: The Faber-Castell Textliner 48 Highlighters Cardboard Wallet Of 4 Colours is available for R66 and offers good value with 4 highlighting colors in a handy wallet. The Faber-Castell Textliner Highlighters - Deskset Of 24 for R709 includes an extensive set of 24 highlighters that will last a long time. The Staedtler Textsurfer Assorted Classic Highlighters 4 Pack is available for R54.99 and is a nice mix of 4 classic highlighting shades in a resealable pack. I hope these suggestions are helpful in finding some highlighters that will suit your projects. Let me know if you need any other details!