D&D first time player, any advice? *Shifting to Pathfinder

So my personal opinion is that evil games are quite difficult to DM because everyone views what "evil" is differently. Personally, I've always believed evil = power because power = corruption.

What alignment is the rest of your party? Is this an all-evil campaign? If you're the only evil character in a group of do-gooders then it's easy to come off as an a-hole in situations that would make the plot advance. Pick and choose your moments to get the most impact out of your decisions. I highly recommend not getting in any kind of fights with your allies.

When you look at iconic bad guys throughout movie history, their actions are always more than just "murder because i'm bad". They murder to show their power. Look at Vader, the Joker, Lex Luthor for examples. There always is an end game with everything they do. When Vader had someone question him, he force chokes him in front of everyone to flex his power and position. That's evil. That's power. They rely on hench men who do dirty work and operate more in the shadows unless absolutely necessary. You'd do well to have evil mini-goals to try to accomplish in an effort to avoid inner-party conflict.

If you're all evil just remember being evil is more than just being murderhobos. It's about power, conquering and crushing the weak. It isn't "LOL DIE IM EVIL YOU BAR WENCH" which it often ends up devolving into and just makes the game kinda.. pointless?

Which edition are you playing and what level?

Anyways, just my 2 cents as a DM for the last ~10 years.

Isn’t neutral evil basically completely crazy?