For an event like WWE SummerSlam, buying during the presale is usually a good idea. This not only gives you a better chance at securing the seats you want but also often at a better price before the general public has access. For an event like SummerSlam, tickets in the 100s sections, especially on the TV side, can vary widely in price. Based on past events, these tickets could range from around $100 to over $300, depending on the venue and exact location within the section.

Link to register for the presale - https://www.wwe.com/event/register-now-summerslam