The Saudi Riyal is a strong currency internationally and maintains a fairly constant rate of exchange. Your contract will indicate your monthly salary in Riyals. Because the staff is multi national, English is the common work language. Interpreters help in communicating with Saudi clients. Most Saudi professionals are fluent in both written and spoken English in addition to other languages.
Housing complexes is usually close to the work facilities, walking to work is common.
Apartments are typically fully furnished including kitchen utensils and bedding. All you have to bring are your clothes. Many luxury items such as gold, rugs and French perfume are very reasonably priced because they are not as heavily taxed. Electronics such as cameras and radios are also good buys. When you are shopping or in public places, inside or outside the compound grounds, your arms and legs should be covered as much as possible.