Amazon PPC is nothing like Google or Meta – it’s a commerce engine, not a traffic engine. Every PPC click and PPC sale directly feeds your organic ranking, which means ads don’t just generate revenue; they teach Amazon what your product is and where it belongs. This fundamentals guide breaks down how ranking really works (CTR → sales velocity → organic rank), the ad types that matter, the metrics you must understand (ROAS, CTR, CVR), and why bid control beats budget fiddling. If you don’t grasp these basics, you’ll make expensive mistakes the moment you launch.