How much is too much/ too little parental involvement in the college process?

My eldest was more independent. I told her to come up with a list and she did.
The youngest wanted more help. She asked me to help her come up with a college list.

I got involved without my spouse or college counselor because whatever the results, my philosophy is we do things together good or bad as a family. My kid and I have gotten closer because of this. Besides, without false modesty, I thought I knew how to encourage my kid better than college counselors who would not be aware of his unique experiences. The important thing is I truly felt I was the best person to give him advice, and I felt this was the kind of occasion where my experience could help.