I need to be completely transparent here: Fulfill.com operates as a 3PL marketplace connecting e-commerce brands with fulfillment providers primarily in North America, and we haven't directly navigated CBAM-compliant shipments ourselves. This regulation is specifically focused on carbon-intensive imports into the EU like steel, cement, and aluminum, which falls outside our core business of connecting brands with warehouse fulfillment services. However, I can share what I'm observing from our network perspective as brands increasingly think about sustainability and compliance in their supply chains. The logistics companies we work with are starting to face similar carbon accounting challenges, even if CBAM doesn't directly apply to most e-commerce goods yet. The biggest lesson I've learned from watching companies tackle carbon-related compliance is this: you cannot manage what you don't measure, and you cannot negotiate what you don't understand. The brands and logistics partners in our network who are ahead on sustainability started capturing emissions data long before any regulation forced their hand. If I were facing CBAM compliance directly, I would focus on three things. First, I would build a shared responsibility clause into supplier contracts that clearly defines who provides emissions data and in what format, with penalties for late or inaccurate reporting. Second, I would establish a quarterly true-up mechanism rather than trying to price certificates perfectly upfront, because carbon markets are volatile and your first guess will likely be wrong. Third, I would invest in direct relationships with suppliers who already have verified emissions data systems, even if they cost slightly more, because the administrative burden of chasing down carbon numbers from unprepared suppliers will destroy your margins faster than the certificates themselves. The reality is that carbon compliance is becoming table stakes across logistics, whether it's CBAM today or something else tomorrow. The companies that treat it as a data and partnership problem rather than just a cost problem will come out ahead.