6

If Bob's Bunker on the DMD says "Uranium ore $3 a chunk", flip both flippers twice to start Construction Mania. All targets are 3M for 20s.

4

The "magic target" at the base of the top flipper awards free mode shots once per mode if you shoot bunker and don't flip the kickout.

10

Don't skill shot on the first plunge—hit a yellow standup (or yellow bumper) to switch the city to Miami (NYC is a risky & low scoring mode)

4

The Start City Scene scoop or Blast Hole start modes. To relight start mode you need 400 miles (ramps, loops, scoops, etc.).

2

Some souvenirs + the right city = +10 mil to bonus for each. With 6X bonus, can turn into 300mil+ bonus pretty easily, so don't sell them!