Most, if not all of the above is very good advice.
Take a look at this it may help as well.
http://www.archersreference.pwp.blue...archref_05.pdf
Don't save on the sight, buy a decent one to start off with that can move up with you, as you progress, there is nothing worse than a sight that comes loose or shakes it's self to bits after each end of arrows.
Rgds, Jamie