Lost it all back and more today

I can't beat 100nl. What do I do? It's like I am always 2 levels ahead of my players. A lot of the times they are playing badly in that my "easy" value bets are getting called by monsters on the river, if that makes sense. It's like they miss out a ton on value on early streets so I get the feeling I am way ahead and then boom. I can't seem to win a stack, only lose them. I also seem to be getting it all-in with like 0% equity which needs to stop.