Do leave your job on good terms . One important quality in becoming a successful consultant is your ability to network and get work from your contacts. Do plan your departure .
Planning is another key to success.
You will want to start creating your own files about clients and other contacts that you can use once you are on your own. You will want to take time to plan and schedule how you will find business after you have left your job. You can also take this time to create marketing materials on yourself so that you can immediately circulate them after you have left your employer. Most importantly, start saving money before you leave your job. It may take a while before your first invoice is paid - even by a customer who hires you immediately after you leave your former job.