The bolts in the top very front section are a little hard to get to, but other than that, it isn't hard. The trick part is getting it to line up good when you put it back on. I had some problems getting the gaps so that they didn't taper and were nice and even.
A bunch of 7/16" bolts to unscrew, prolly ten or so. And your fender well liner is gonna have to be unscrewed from the fender. Here's a visual for ya:
The fasteners shown don't include several more that hold the bumper cover on. A small 1/4" drive ratchet is a nice thing to have for those, but not mandatory.