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After helping hundreds of stores go live, these are the misses we see most: 1. **Skipping the test order** — always run a real €1 transaction end to end 2. **No abandoned cart email** — even a single reminder lifts revenue ~10% 3. **Generic OG image** — branded social previews drive 2-3x more clicks 4. **Forgetting consent banner translations** — GDPR fines on day one are no joke 5. **No SSL on apex domain** — Auto SSL plugin handles this automatically now What did YOU miss on your launch day?