Can I replace my current HDD inside my mac by an SSD where I have all my apps and OS on but put the HDD in an optibay put it in place of my DVD drive where I would then have my documents folder?
There are like a hundred threads on this and a faq is here too. Not the best one but still.
You put your documents wherever you want. Most people only move specific folders like movies and music and leave the rest.
Can I replace my current HDD inside my mac by an SSD where I have all my apps and OS on but put the HDD in an optibay put it in place of my DVD drive where I would then have my documents folder?