The best discount code for Kwumsy.com is 'NY15', which provides a 15% off. Another notable code is 'LAPTOP10' that offers a 10% off on Kwumsy F1 14 Portable Monitor. There are also codes like 'KW15' and 'MC15' for a 15% off storewide, 'KW25' for a 25% off on a minimum purchase of $299, and 'K3GET' for a 15% off on Touch-Expanding Screen Keyboard. For a storewide discount, there's a code 'ELECTRONICS5' that gives a 5% off. However, the availability of these codes may vary and it's recommended to check the website for the most current offers.