Seriously, that was my very first experience in photo 101 in High School. The teacher nearly beat us over the head that we needed to squeegee all negs, period, end of story. I had prior dark room experience in Junior High in the print shop and I recalled my teacher then talking about squeegee's causing scratches on negs, no matter how delicately you tried to use them. So after my first roll in High School with what looked like high power lines running straight through most of them (gee, I don't remember high power lines on that still life photo, or that girl's face... hmmmmmmm) I decided to just leave the squeegee part out completely. But I didn't tell the teacher. My next set of negs came out perfect! I think the teacher made us use the squeegee so he could provide instruction for touching up final prints. Interestingly enough my prints didn't need touching up so much after that first roll. It was my secret.
20 years later I'm back at photography again. Got water spots on first few rolls. Asked around... and Jason Brunner gave me a little secret that only he and I know (shhhhhhh!) Now I stick to Photoflo and fingers which have been moistened up for a few minutes and quickly tap dried on my shirt so as to remove the possibility of any callous from also causing problems.