I love to hold forth on every subject that comes across my radar screen, pouring words playful and possibly insightful into every issue that concerns my fellow professionals. Switch fields only if you hate what you've been doing. Starting from scratch can be frustrating, and a road to disaster.
Many businesses take three years to turn a profit.
Be sure you have your spouse's support to stop receiving a predictable income. Set up a comfortable desk, chair and atmosphere, safe from interruptions. Set up a separate checking account in your business name. Get a business license, if required by your city. Get a Federal Tax ID number.