Hotels and alternatives
As long as you stick to the itinerary described on the last page,. you will not have to bring a tent or similar. But a sleeping bag is unavoidable. There are rooms in Akhfame and Tislit.
Restaurants and alternatives
Bring provisions. Even the cafés out here do not serve food.
Nothing, but you will not any money anyway.
Only from Tagouyamt and Ihoukarn.
Do the trip in summer, as winter can be extremely cold.