Lesson3 of 111 min
CapEx vs. OpEx
The financial shift that makes the cloud possible for small teams, not just big companies.
The technical story (servers in minutes, not weeks) is only half of why the cloud won. The other half is how you pay for it.
❌ CapEx: Capital Expense
✅ OpEx: Operating Expense
Buy servers, networking, and cooling upfront
Pay as you go, for what you actually use
Capacity planned months ahead, often wrong
Scale instantly to match real demand
Money spent before you know if it'll pay off
Money spent only once something is working
Pro Tip
This is why a two-person startup can run on the same infrastructure as a Fortune 500 company. Nobody has to raise capital to buy a datacenter before they can ship a product.
Key Takeaway
Traditional IT is CapEx: a big upfront bet. Cloud is OpEx: pay only for what you consume, scale that spend up or down as the business actually changes.