#2. No set calendar
Everyone knows that in October there will be a Hell in a Cell pay-per-view, this used to be a stipulation that the company would only bring out when a feud had reached the point of no return and would then signal the end. Having an annual pay-per-view has definitely made the structure much less frightening, but maybe if WWE didn't have a set calendar then things could be different.
Rather than having Extreme Rules following Money in the Bank or Elimination Chamber always at the same time in February, it would be interesting to see WWE move these events around every year and slot them into their calendar when the feuds are going in that direction.
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It would be refreshing to see WWE book the feud based on the superstars involved rather than the pay-per-view that it needs to be prepared for.