Clash!! Sonic VS Knuckles - S1-E5
Revealing mistake: Right at the end of the episode, when Amy is telling Knuckles he should apologize, Amy has two right hands.
Clash!! Sonic VS Knuckles - S1-E5
Continuity mistake: When Eggman is holding Knuckles' hands, Knuckles' eye color constantly changes from purple to green.
Clash!! Sonic VS Knuckles - S1-E5
Continuity mistake: When Sonic and Knuckles run into a buds then up the cliff, Knuckles is running but when the scene cuts to him, Knuckles is climbing.
Answer: No, he doesn't need the money. He was doing it to try to paint himself as the hero. Make it look like only he could save the the light and painting Sonic as a villain for destroying it.
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So what if Eggman doesn't need the money. There are tons of people who don't need more, but still try to get richer.
But not Eggman. His goal isn't money in the series at all. He hardly even ever mentions it. He wants power, fame, and to rule the world. In fact, he comes from a world where money isn't exactly a thing or much of it. So he doesn't have that in his roots of desire, he wants power.
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