bros how are cunts running trivial for 3 hours to get 1 warbond

i can't fucking do it. i have hit this same brick wall every time i've come back. medal capped, 90% of the sample shit done. just need to complete my literally hours of CBT to continue getting things in the game or pay the chump tax of what might now be $100+ to unlock the rest of the content. and there are people who are able to mentally somehow handle picking these credits up 10 at a time for hours doing nothing else. what the fuck