Everyone Was Thinking This
"I have an idea!" Vegeta said, smirking nastily. "What we're gonna do is find a Freeza planet that nobody checks on anymore and then nearly kill each other over and over again, using the healing pods to heal ourselves back to full strength quickly, until we're strong enough to face Freeza!"
Radditz and Nappa grinned. "That sounds amazing, Vegeta! That's why you're the prince!" they called.
And that's how Vegeta's stint as the Saiyan Emperor began. Somehow, he still couldn't beat Goku, though.