You can do this to lower the amount of points you hold in your hand in the event that your opponent wins the round. Also, early set and run formation can heslots megalp you discard cards faster, improving your chances of winning the round. It's also critical to pay attention to the cards you are discarding. Giving up expensive cards you don't need right now might be tempting, but if your opponents pick them up and use them to create sets and runs, it could work against you.
