I pay someone to watch my children. If I do not then sit down and write, I imagine throwing fifty bucks out a window.
Whether or not you have time to write, you can have in mind that slotting a time to write consistently—once a day, once a week, whatever you can manage—is as crucial as anything else in your life. It is a matter of patience, scheduling, prioritizing, and funding.
For writers who want to publish, that is a different matter entirely.