You need about 4 days to do everything! 7 if you want to enjoy it!
You will need approximately 1 week!!! So request a week off, and ENJOY YOUR SUMMEEERRR!!!
Everything at Universal, two days in fine, everything in the resort corridor? At least a week to get through all Disney has to offer.
My family and I did both parks in 2 days. We rode everything at least once, and the things that really excited us got rode twice.
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