Can Noobs Insulate?

[Jeffrey Huddleston]

I bought a house, and it needs attic insulation installed. The attic is currently bare with no previous insulation. Is installing insulation a fairly straightforward job an unexperienced person can do themselves? A contractor estimated over 4k to install insulation, and I feel I could probably do it myself. I wanted to know if there are any risks or oversights an unexperienced person would miss. It seems as easy as unrolling the insulation vapor-barrier down.