My Hippoobuy Spreadsheet Must-Haves: Air Max 98 Sneakers & More! My Hippoobuy Spreadsheet Must-Haves: Air Max 98 Sneakers & More! As a sneaker enthusiast living in Europe, I’ve found Hippoobuy to be my go-to platform… My Hippoobuy Spreadsheet Must-Haves: Air Max 98 Sneakers & More!