SGA, substantial gainful activity. is the limit of money you can earned after deuctions for the necessities of working.
For 2010 than net earnings is $1,000. There are many work incentive program. http://www.workworld.org/wwwebhelp/sga_di.htm is a website that provides alot if information wihtout having to read the REDbook twice. Contact yourcase worker with questions you have after you find out the basics of trial work periods,
Trudi