My mother, who is 79, recently moved out of her home and into an apartment closer to me so I can help care for her. ...Read more
If you are younger than full retirement age and make more than the yearly earnings limit, Social Security will reduce your benefit. The yearly earnings limit for 2016 is $15,720. If your son were to earn more than $15,720, Social Security would deduct $1 from his benefit payments for every $2 he earns above the annual limit.
For more information on how work affects Social Security benefits, go here: http://www.elderlawanswers.com/how-does-work-affect-your-social-security-payments--7154