In addition to your basic salary you should get housing allowance (minimum of 12,000 per month for a decent flat), transportation allowance (min 1,000), full medical coverage, you may not have kids now; children's schooling assistance (70% - 100%, the remaining 30% could be a killer if you send kids to the americal school), annual vacation tickets for you and family to home base. You will have to spend initial expenses for furnishing and car.