1) what specs on the laptop should i be using here?
OwnCloud has a low requirment
2) do i need WD Red/Green 4TB or will the standard Seagate 4TB do?
If you use 24h/7 days I recommend WD RED or sometimes Seagate
3) anyone have any idea how to successfully use ownclod server?
ex.1)OwnCloud. You can use your laptop
4) you got any other tips to give me?
I recommend OwnCloud (free private cloud). You can install for your laptop/pc. Easy installation and configuration.