They do want to date. They just aren't interested and since you pursue them in rather intense fashion they don't want to say no in a rude manner. So they say they want to be friends. That's indirect way of telling you they aren't interested.

At 29 you need to get your life together. Get a job or/and go to school. That should be step one in the right direction.

I don't know how your parents are allowing this. My daughter is same age as you and wouldn't be allowed not to work and live totally off me while spending her days on dating sites pursuing all kind of guys. That's just isn't right