TP can work in Disneyland, but the rides breaking down are a real pain in the butt. The ones that tend to break down are:
-Indiana Jones (all the time, everytime)
-Splash Mountain (I have now been evacuated TWICE from that ride)
-Toy Story Mania (without fully breaking down, it is still annoying)
Usually, GoG, Soaring and Radiator Springs are the rides that sell out really quickyly of FASTPasses, so I tend to do everything in DCA to start the day, then cross over to Disneyland. However, with Halloween going on, I am expecting Haunted Mansion and Space Mountain to sell out every weekend day. If you do get MaxPass (it really ONLY saves time if you are Park Hopping a lot), it could help grab that Space Mountain Fast Pass while still in DCA.
Even though the parks are really close, going from the Far End of DCA to Space Mountain is still a good 20minutes walk+going through the turnstills again, so I tend to not do that too much.
If you luck out and don't get Fast Passes for Space Mountain, I would just go at the end of the day (before the park closes). The wait at that time is usually 30 minutes.
My plan usually goes as follow:
-Soaring at RD
-Grab FastPasses of GoG
-Walk onto Toy Story Mania (after that, I usually check how I am doing for time and whether or not California Screaming will work)
-Single rider for Radiator Springs
And that's it for the big rides in DCA. I love Monster's Inc and Goofy Flight School, so depending on the time I might do them.
-Crossover to DL. Grab FASTPasses for Space Mountain.
And I keep on going.