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[Star Wars] What did Sidious do with all his power as Emperor?

Usually emperors have many benefits and live in luxury, but Sidious  to me seems to be like some sort of "pure evil" villain, who does evil things because he's evil - which is boring. Did he have some real reasons to become Emperor?

Did he want even more luxury and money? Most of the time emperors also had hundreds or thousands of wifes/sex slaves, but Sidious also never did that...
gpt
Basically nothing in the classic sense. He did not want luxury or money, nor was he interested in pulling the strings on every micro-decision in the galaxy. 

What he used his power for was mostly to give him the resources and time to delve further into the force, and study long-lost secrets of the Sith. As Emperor, he could spend months or years totally unbothered by anything other than his studies. And if he needed a pesky civilization wiped away so he could poke through their underground ruins to find a 10,000 year old Sith temple, he could use the Imperial military to do just that. (we see something like this happen on Lothal) 

Taxes and resources could be changed or redirected at his whim to further these goals as well. He could demand the entire galaxy twist to his will, and they would do it. It's just that most of his will was devoted to becoming more and more powerful with the dark side. Everything from the Clone Wars to the restructuring of the Republic into an Empire was to serve this goal. 

Palpatine's only other concern was wiping out the Jedi and fulfilling a thousand year revenge plot. But with Vader and the Inquisition at their peak, he considered that matter mostly settled.