If you are not willing to sacrafice now you will not be willing to when your training is hard. So just sit back and wish your way to knowledge, I have never seen it work but hey, maybe you will be the exception.
I have four kids, a wife, work a full time job, rebuild houses on the weekends, and take classes/teach at our Dojo 5 times a week.
Set your priorities now and in life and then follow them.
Dream it, Live it, Be it!
(What is it?)