You have to start at the bottom and work for peanuts with a regional airline or even smaller. If your goal is to make $25,000 a year with crappy benefits for at least a few years and never seeing your family, then you have to plot out if you can actually make it do a decent position before mandatory retirement. I would say it's a really bad idea at your age but that's just my opinion, since it's an outside shot you would land a job as a commercial pilot at this point.