Getting early helps because there will not be that many people there. It will also put you near the area you want to be like Critter country to do Pooh, Haunted Mansion, and Splash Mountain. You beat the rope drop and have everything all set for the day. After a few hours you can go over to DCA. DL is not that busy for the first 3 to 5 hours even on a weekend. Fastpasses help.
For DCA it opens later and closes earlier than DL. You can however as a GC guest enter and exit the hotel right next to the rapids ride and down the hill is Soarin and further on is Hollywoodland and up the hill is Boardwalk area.
I used to love the PCH Grill but have not eaten there recently. Yamabuki has great Japanese food. The two GC restaurants are excellent and they even dealt with my special dietary needs.
Taste Pilot is the best place in DCA to eat. They used to have great corn dogs at the corn dog castle, love the caramel corn they used to sell from a cart, and Catch a Flav sells soft swirl ice cream that is yummy and have a second flavoured ribbon.
Check refurbs as they are redoing the wharf area. I have not eaten there in about 3 or four years because of diet and not going. The only places to eat are in Hollywoodland, the Wharf and farm area to the north, the winery, the Corn Dog Castle, and Taste Pilots so you need to make sure you know where to eat before hand. You do not want to get hungry out on the south side of Boardwalk area then either get a corn dog or walk a long way for lunch while the stomach grumbles. An option for GC guests is to duck into the hotel and get a fine lunch there.
Disneyland has swell corn dogs at a little red cart next to the lost & found, baby center, and nurse's station. Turkey legs with corn on the cob is another treat but do bring wet wipes as they can be sticky. I would take the turkey legs and snack in the Golden Horseshoe Revue as that is a cool place to rest and get your second wind. Dole whips are sold at a stand in front of the Tiki Room. Honey Popcorn is sold in Critter Country. I prefer the burgers at Hungry Bear. For a hearty meal there is a restaurant next to Pirates entrance that sells chowder and gumbo in a bread bowl. Across from the train station is the Mint Julep shop that can be missed.
Bring along zip loc bags for corn on the cob and other messy stuff. They use Dreyers ice cream and you can get some at Main Street but not like the old days. Carnation Cafe and in a corner next to lockers is ice cream as well as the Gibson girl, yummy snacking there.
Take the tour where you get to see the inside of Club 33 if you can.
I was at DLR this month and will be back on the first or 8th. I plan to get honey popcorn, dole whip, then maybe if my friend can last that long a burger at Taste Pilotor if not that then burgers at Hungry Bear or hot dog at Coke Corner then later Catch a Flav then if I survive will end the day in the hotel for dinner. I have to be home to feed mom at 6 so I will probably feed my friend then go home and come back for dinner at the hotels or ESPN Zone which is another favourite and then late night sundaes.