I'm a beginner and want to know what i need to do. - Engine rebuild.

[Conga1991]

so i bought i a 7mgte engine, all taken a part already, good condition, but im going to buy a rebuild kit for it. it comes with everything besides a metal head gasket and oil something, lifter i think it was.

What do i do first? how much will it cost me? etc..

Everyones advice is good for me since i dont know much about rebuilding an engine. thank you!!