Not included are international air, visas, insurance and most meals. Food is not always included, so that you can choose from a wide variety of local cafes and market stalls, to really experience the local cuisine and atmosphere. This will depend on the destination and you're spending habits. However our trip dossiers will give you an idea of how to budget for additional meals, optional excursions, and extra expenses you might incur on any specific trip. A variety of local style accommodations are used including hotels, guesthouses, pensions, hostels, home-stays and of course camping.
Most hotels are budget style, offering clean secure accommodation but with few amenities.
On most of our trips if you are traveling alone you will share a room or tent with another same sex solo traveler and will not be charged for, or have the option, of a single supplement. A variety of facilities exist depending on local conditions. Traveling in remote, developing countries means you will not always have a western style toilet. On some trips yes, but others, especially camping trips, no. None of the above is advisable for a variety of reasons but mainly to preserve the group dynamic.