Finding the time
I don't know what the proportion of amateurs to professionals is here on DT, but I suspect that the majority of people selling images are doing so as a hobby, or at least a part-time addition to their regular job.
One solution is to let the house get dirty, buy takeaway meals and paper plates, and hire a gardener! Or it may be more sensible to think about changing your priorities. Maybe you could allocate one or two nights a week to your image processing. Or instead of going to the pub in your lunch hour, you could sit in a cafe with a coffee and a notepad, and come up with image ideas.
Hopefully these ideas may help you to take a step in the direction of turning an enjoyable hobby into a fulfilling and successful career.