It is not true that Goku has a lot of wealth. Not rich in the sense of Vegeta. Goku lived in a jungle with his Grandpa Gohan, where he was poor and alone. This is shown very clearly in the Dragon Ball ...

Goku and Vegeta's flaws are what make them who they ... tournament's arena is the only reason he struggles against Piccolo Jr. as much as he does and, when he does win, he doesn't kill Piccolo ...

UPER SAIYAN 3 VEGETA TRANSFORMATION HAS ARRIVED! Dragon Ball Daima Episode 12: True Strength Review! Super Saiyan 3 Vegeta vs Tamagami 2 is an UNBELIEVABLE battle AND Majin Duu defeats Tamagami 1!

Moro, Black Frieza, and Ultra Ego Vegeta are all incredibly popular fighters who could potentially fly into Sparking Zero, but they'll likely only be available if the right conditions are met.