One reason many family members decide to work inside one of our . missions is to accrue retirement benefits. This is a valuable benefit if you are in a Family Member Appointment, but you can create your own retirement benefits with a home-based business by contributing credits to your Social Security plan. When you are posted in the United States, contributing to your Social Security is done through the self-employment tax. However, while living abroad you might inadvertently fail to file the self-employment tax and therefore you could go years without contributing to your Social Security plan