hidden policies

I ok the shipping on a free trial. That was all I authorized then I get a bottle and a huge bill. I discovered that hidden in the fine print it says that you have to call and cancell or they just start sending the stuff. No where is there any info on the cost per month. Had that been posted I would not have bothered with the trial. Now I find that I am only one of many that got bit on this. Look out folks.