(Why AI decisions affect cost, speed, and experience)

1️⃣ First truth: AI is not free

Every time AI runs, it:

• Uses compute
• Uses memory
• Uses time
• Uses money

Small experiments feel cheap.

Real products at scale are not.

PM lesson:

AI cost grows quietly, then suddenly.

2️⃣ What “scale” really means

Scale means:

• More users
• More requests
• More data
• More AI calls

Example: