Why was Edward IV able to make himself independent of parliament?

 Edward IV became King of England with the support of parliament. He is respected for bringing stability back to government after a decade of civil strife during the initial Wars of the Roses. Since the war with France was also over, Edward IV had gained many estates, and he was a very rich man indeed. As a result, he began to become more and more independent of parliament. In fact, during the twenty two years of his reign, parliament was called only seven times.

Most people were happy with this arrangement at that time, since Edward lived on the revenue produced by his own lands. He did not over tax his subjects, and the people who were tired of the burdens of war, were content to let him reign independent of parliament.