Kim Kardashian's Kids North & Saint Made At Least $30,000 For 'Paw Patrol'

Kim Kardashian's little ones made a nice chunk of change for their work on the new "Paw Patrol" flick -- cashing in 5 figures, according to North and Saint's contracts. For those unaware, 10-year-old North and 7-year-old Saint landed spots along…