Re-typing data between disconnected tools costs you twice, in labor and in errors. Measure the keystrokes, then wire the systems together so data flows once.
When two tools don’t talk, a human becomes the integration. Someone reads a value in one system and types it into another. That is the double-entry tax, and most teams pay it dozens of times a day without ever putting a number on it.
The number is bigger than the typing time. Every manual copy is a chance to transpose a figure, miss an update, or work from a stale value. The real cost is the reconciliation later, the meeting to figure out why finance and delivery disagree about the same project.
The fix is rarely a rip-and-replace. It’s a bridge: a small, reliable sync that moves the field of record to where it belongs, automatically, on a schedule your team can count on. Once the data flows once, the tax disappears and the arguments stop.