(Image credit: Piotr Swat/SOPA Images/LightRocket via Getty Images) GameStop has now confirmed its intent to acquire ecommerce behemoth eBay, first reported over the weekend, saying in a May 3 announcement that it's making a half-cash, half-stock offer worth approximately $55.5 billion for 100% of the company. It also suggested that, should the deal go through, it intends to slash and burn eBay to "deliver $2 billion of annualized cost reductions within twelve months of closing." Here's how that's going to work: ~$1.2 billion from Sales & Marketing. More spend is not producing more users on a marketplace with near-universal brand recognition. ~$300 million from Product Development. Product Development expense grew 11% in fiscal 2025 against revenue growth of 8%. ~$500 million from General & Administrative. Consolidated finance, HR, real estate, legal, IT, and professional services across the combined company.…