[quote name='discreet' timestamp='1445128655' post='2889036']
Agreed. If you don't feel right about it you will feck it up. Wait until you have the time to go through everything properly in your mind, you have all the tools you need, you have peace and quiet and no distractions and you don't have a hangover.
[/quote]
+1
I'm just doing my first scratch build and I find that I rehearse everything in my head several times over before going anywhere near the expensive bits of wood. If you're not feeling confident, practice on some scrap wood to make sure you're drilling to the correct depth