Great Mens' gift ideas for under $100 There are simply thousands of Mens' Great gift ideas under $100. Pleasing the man in your life with gifts under $100 has never been easier than now with so many new gifts for men to choose from. You can really find some unique bargain gifts under $100 also. Here are some nifty gifts for the man in your life for under $100 that is guaranteed to bring a smile to his face. If your man likes Tennis then you might think about getting him Speed Minton a new rac.