Premium collector sets promise a complete theme in one box, but do they actually hold value in South Africa? We tracked local resale prices across recent releases to find out which boxes reward patience and which ones gather dust. Quick answer: Do Hot Wheels Premium Collector Sets Appreciate? We Ran the Numbers – what it is, what to check before buying, typical SA prices in Rand and where to find one locally. Full details below. What the numbers say Licensed themes win — Fast and Furious-style boxes appreciate fastest. Sealed beats opened — An unopened box adds 20 to 40 percent locally. Complete themes hold — Full sets outsell split…