You might even consider doing a test run: with a lot of businesses, you can get a head start on things even while you're still gainfully employed.
To be fair, unlike many young men today, this new quasi-ex of mine is not only gainfully employed, he has a very impressive resume.
Scripture never forbids women to be gainfully employed; in fact, the virtuous woman of Proverbs 31 is engaged in several part-time business ventures, in real estate and manufacturing.