Yes, you can assemble a PC and install mac os on it.
Yes, you can assemble a PC and install mac os on it.
Absolutely, it's definitely not simple, but there are tons of resources available—like the one Linus created—about building a hacked computer system.
You have the option, though you'll need to research thoroughly. It appears hackintosh involves a particular motherboard CPU, and just slapping an i5 onto a random H97 board isn't feasible. The process demands some cleverness, but it's achievable.