Have you heard of the “sports delivery” service? Simply book through your phone, and professional coaches will come to your door with equipment, offering personalized services like fitness training, exam preparation for physical education tests, and weight loss workouts. A typical session lasts 60 minutes, with costs ranging from 140 to 220 yuan, mostly in one-on-one or small group formats. But… is this new trend really reliable? Let’s take a closer look.