You could buy 1st level wand for 750gp, from magus list the Longshot (1 min duration) is good for archer builds (+10'ft range), Magic Weapon (turns bow +1 weapon for 1 minute) is also good. Returning Weapon is also good (if use special arrows they return to you after impact), 1 min duration. Shield is also good one (1 min +4 shield bonus and immune magic missile). True Strike also works (if want make sure your shot hits or want snipe from long distance onto someone).<br/><br/>Also infernal healing is there as well so can get some healing from magus list. Then spend cash on good light armor (check for special materials albeit not much is in offer besides mithril chain shirt for 1,100gp).