CFA qBank and Mocks

Anyone ever just focused on knowing the CFA qBank and Mocks inside out and passed the exam?

I ask because I am not so sure about jumping between Kaplan and the CFA portal in this final 3 week stretch. I’ve given Kaplan 300+ quality hours and I’m still only hitting mid 50s in mocks…

125mph the Mock expert, may be you can give us some tips regarding this last 3 weeks