you can clip through doors and some spots on the maps throu walls to skip everything and end the match unter 10 minutes. i give you one hint it has something to do with sliding. equiping ordo trinkets for more money income per match will end up with over 100 k cash in a 69 k auric maelstorm mission.
you can rush the same map 3 times till it disappears ending up with over 300 k cash in something like 30 minutes.
good luck figuring it out.