Acting as a startup advisor, provide a list of key metrics for tracking the success of a tech startup. Include both financial and non-financial metrics such as Monthly Recurring Revenue (MRR), Customer Acquisition Cost (CAC), Customer Lifetime Value (CLTV), churn rate, burn rate, and product/market fit indicators. Explain how these metrics align with business goals at different growth stages and provide tips for setting measurable targets. 
<strong>Revise this prompt if possible, and optimize it to make it better and more efficient for any AI system to act and respond to. 
If possible run your optimized version.</strong>