Make sure that you exchange some of your letters if you end up with too many vowels. You should not have more than 2-3 vowels on your rack at any one time. Letters in the word RETAINS are the most versatile and useful, so consider hanging on to these letters.
Try to play words that cover multiple premium squares. For example, if you play a word that covers two triple word squares in the same turn, the word you played will be worth 9 times as much as normal.
Try to memorize some of the high scoring two letter words such as Jo, Qi, and Za. These words are easier to remember because they are so short, but they are also great score boosters.
Keep in mind that blocking your opponent may not always be possible, but if you do it whenever possible, it may help you to hold onto your lead and win the game.
