We spend much less time in the parks than before DVC. Years ago when traveling with little ones I remember lots of meltdowns due to over stimulation, heat, and exhaustion. I then developed our plan of dividing the day into three parts- morning, afternoon, evening. We would go to the parks for two parts each day, and stay at the resort for the third. This system has worked for years.
Now though, I'm finding that we are staying at the resort for two parts each day. We make fast passes for either late morning (rope drop, 3 fast passes, lunch at park) or around 5 -7 pm (3 fast passes, parade, fireworks). We find we are spending more and more time enjoying the resort each trip. The girls still love the Community room, pool and pool games, nighttime marshmallows. And maybe because we all eat out at restaurants a lot at home, we all enjoy fixing simple meals at the villa rather than eating out.