Ads amplify. They don't fix — an unclear offer just reaches more people, faster, for money.
This guide covers what to get right before you spend, and how to read what happens after.
Inside: campaign structure, objectives, cold/warm/hot audiences, creatives, and the landing page rule that saves most wasted spend.
All eight metrics — CPM, CTR, CPC, frequency, conversion rate, CPL, CPA, ROAS — with formulas and worked arithmetic.