To get free gold in Harry Potter, you need to participate in battles. For the victory you will be credited with gold and other items.
Gold can also be found by picking up items.
All of the above methods for obtaining free gold work at 100%.
I am pleased to share with you a quick way to replenish your gold reserves in Harry Potter Wizards Unite. We have developed an automatic generator that will give you the opportunity to earn gold for free at HPWU.