I'm strongly considering just dropping out with a Masters' degree, because several students who did that (because they failed a qualifying exam) left and had no trouble finding jobs that paid well--though even some of them had to omit the Masters from their resume.
That is definitely worth considering, if the point of your degree is purely employment-driven. If your goal is to teach, you probably need to keep going to reach the "terminal" degree in your field. There are also employment opportunities in some university-affiliated research positions, and there are still corporations looking for Ph.D holders, but you'd better be sure that your thesis topic is impressive enough to put you to work. Most places I've worked look at a Ph.D holder as "BS + 6 years of experience".
As to getting the Masters, I'll close on the experience of one of my best friends. Hugely brilliant guy; finished an honors BS in Chemistry, then went to a Ph.D. program in the same. As he tells it, from the first day on campus until he finally had to quit the program 6 years later, he was always "4 years away from finishing." He lived and breathed chemistry, was pursuing it out of love of the field and intended to end up as a researcher somewhere. He and his wife were involved in a nasty car accident 5 years into his studies, and was unable to keep up his research and teaching responsibilities for the next 6-9 months. They had two kids to support, and they just had to decide that a Real Job was what was best for their family. He very much regrets that he didn't first get the Masters done before starting the Ph.D., since now his resume shows a Bachelor's + lots of post grad work.