She is wrong, assuming that you are an hourly employee: all hourly employees receive overtime when they work more than 40 hours in a week. It does not matter where the work is done (e.g. a traditional office or school setting vs. in home); it also does not matter whether it is a 2 person business or 20,000 people. The labor laws (e.g. Fair Labor Standards Act or FLSA) are very clear that when an hourly worker works more than 40 hours in a week, he or she gets overtime. If you are not paid overtime when you should be, you can contact the department of labor to file a complaint; you may be entitled to the back overtime you should have been paid, plus overtime going forward.