Two-way sync is one of those engineering problems that looks simple from the outside and quietly wrecks projects from the inside. The trick is in the conflicts.
Pick a System of Record
Every entity needs a designated source of truth. Contacts live in your CRM. Invoices live in Stripe. Tasks live in Asana. Without that decision, every tool starts arguing.
Conflict Resolution Strategy
When two systems disagree, who wins? Last-write-wins, source-of-truth-wins, or human-resolves? Pick the rule before you ship the integration.
Observability Beats Cleverness
Log every sync, alert on every failure, and build a manual override panel from day one. The team that can see what happened is the team that can fix it fast.
Take Action
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