Run a Shopify store out of South Africa and you already know the problem. Your dashboard says one thing in USD, your bank statement says another in ZAR, and somewhere between PayFast settlement and Meta ad billing, the real margin number goes missing. Most Shopify analytics for South African DTC brands get built by teams who've never had to reconcile a rand-denominated P&L against dollar ad spend. This post covers what that actually breaks, and how Trivas handles it differently.