Actually if a part in the story become too hard, you can just quit and start over with the same attributes at anytime.
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True, but you don't gain more attributes.
With my method, you gain attributes from the first two matches you compete in, and can repeat.
Each time I got about 100 Attribute points from beating Chavo and Heidenreich, then quit in the match with JBL before it even started, added the points, repeat process for however long I want.