Starting a buisiness
These folks have given you sound advice and input. Only you know for sure if you are ready. As already noted, your reputation and word of mouth referrals will bring in the customers,, even so, be aware that most start ups don't actually turn a profit for the first two years, so having some degree of emergency funds set aside to nurse the buisness along if you hit a tough stretch would be helpful and recommended.
If you do take the leap, I wish you much success as do all your other A Body Brothers....