That's just what I wear, obviously better things would be better to wear. And the point of a half safe spot is to not be hit by the melee attack, which makes things a little easier.
Are you a pker? If not, there's not really any reason for you not to. Prayer is a great skill to have. If you are a pker...maybe wait till your stats are a little higher, then get Ultimate Strength.
If you ever go to Draynor Willows in F2P...they die there all the time. I'm sure every autoer that's been there has died at least once. The problem is they can just keep coming back.
http://forum.tip.it/viewtopic.php?t=501257 That's my Killerwatt killing guide if you want to use it. It's got a bit more info than what you've got up there.