Hello I just had a couple questions about replacing parts of my PC. First if it's recommended to switch in new parts while I still keep some old parts in as well. And also if transporting my current motherboard into a new case, damages it in any way. I'm more curious as to the physical aspect of this process not so much the compatibility of the parts, I didn't want to start buying parts until I know if I have to start from scratch or if i'm able to upgrade my PC one part at a time, Thanks!