Shopify Email vs. Klaviyo: a decision framework, plus the full setup for both

Two good options. One right choice for where you're starting.

Both Shopify Email and Klaviyo are real tools used by real vendor businesses at real volume. Neither is wrong. The difference is cost, complexity, and what you actually need at your current stage.

If you read this whole lesson you'll know two complete email systems. You only set up one of them. Pick the path that matches where you are now and execute that one. Skim the other so you know what's available later if your needs change.