Home Gaming Server Inquiry

Myself and a bunch of buddies frequently play and rotate through multiplayer games and looking to get a home server to mitigate renting. Looking for advice on hardware and tips for a first timer.

Types of games played: Satisfactory Minecraft Farming Simulator Factorio Minecraft Space Engineers Ark

My budget would be around $2k. I’d prefer a case that is rollable to fit under my desk or to be serviced easily. I’d also like to have room in case to add a personal PC down the road.

I’d prefer to purchase parts from Micro Center as it is relatively close to me.