Marketplace ads are a different beast-much more demanding than standard PPC in my experience. you're not just balancing bids and budgets, you've got inventory, pricing, reviews, Buy Box fluctuations, promotions, and operational hiccups all pulling performance one way or another. A campaign can be perfectly set up, but if stock runs out or a competitor undercuts you, the numbers will tell a different story.
schedule-wise, it's predictably unpredictable. Normal weeks hum along with pacing checks, keyword work, budget tweaks, and reporting. but throw in Q4, Prime-style events, a major launch, or a supply chain snag, and it becomes a reactive firefight. you're always chasing the 'why' behind a sales shift, and the answer often lives outside the ad platform entirely-it's retail wrapped in PPC