Normally we do a full day at each park then we take our 5th day and go back to Magic Kingdom. This has always worked for us but we have never had a "half day" like you are talking about because we always drive down and it is about a 10 hour drive.

1900 Park Fare or Crystal Palace are two of our favorites for a buffet.

To me it’s 2 or 3 days depending on crowd levels and if you have express passes. We stay at the hotels that give us express passes and we like to sit and walk and soak things in so we do 3-4 days. Also I recommend staying at a Universal Hotel. Read the fine print, but as of now they guarantee entry...

My wife and I take the kids to Disney every other year. Our last trip was Jan, 2020 and we have mentioned going sometime late this year (2021) or early 2022, nothing definite as of now. We have toyed with the idea of going to Universal for a day or 2 then going to Disney for a week. I have read onli...