Inclusions vary by trip, but most packages cover accommodation, transportation during the trip, permits, experienced guides, porters, and meals as specified in the itinerary. You can find a detailed list of what is included and excluded on each trip page.
For example, for 7 Days Annapurna Base Camp Trek (cost ranges from USD 399 to 499, depending on the group size), the package covers transportation to and from the trailhead, all meals (breakfast, lunch, and dinner) during the trek, permit costs, guide fees, accommodation during the trek, all applicable government taxes, and first aid kits. The price excludes hotel accommodation in Kathmandu and Pokhara, international airfare, Nepal visa fees, porter fees, and all personal expenses.