Question: aov how to farm gold fast?
Answer: Spend your gems on the 10-win double gold cards.
Spend vouchers on the weekly double gold cards (they stack, but at 3x rather than 4x)
Buy skins for all your mains and always use the skins.
Play 3v3s either in a coordinated team, or filling out the team comp with a bursty/AOE/CC champ.