It is very beneficial to attend different college courses. With the help of the courses, you are going to receive new knowledge, with the help of the courses you are going to receive a degree, with the help of the courses you are going to get acquainted with new people.
However, all this opportunities stop to be good ones if you are engaged into the non-accredited courses. Non-accredited courses are very cheap, however they will not bring you any value, except the knowledge, if you will be lucky to receive them, of course. When the person is engaged into this or that college course, he or she does not only want to increase the knowledge, but also to receive a proper degree which will increase the salary. And if you receive a degree with the help of non-accredited college course, this degree is not going to be recognizable, and you are not going to receive promotion and to increase your salary.
So, before being engaged with this or that course, I recommend you to find out whether this course is an accredited or not and only after that agree to become a member of the program.