I have blown in insulation in my attic. I've seen where Home Depot will give you a free rental on an insulation blower if you buy a certain amount of cellulose insulation. Keep in mind that you will want to protect and not cover any ventilation that is under your eaves.
I agree. That's the difference between a smart DIYer and not so. Lack of experience always equals more time to do it right. Sometimes A LOT MORE TIME. I know a neighbor that just finished his bathroom in a year