One of the biggest reasons that users churn or bounce is because of confusion (having to make a decision without sufficient information) or anxiety (fear of the unknown), so avoid this for your product tours.
Ensure you set expectations early on, for what a user should expect from your Tour -- both the value, but also the cost. The latter can be in the form of the expected time or the number of Steps.
NEXT: Don't be shy; stand out! 👻