Depends on you.
You will need to experiment and see how many you can handle.
I don't eat any fruit as I have a lot of weight to lose, plus it sets me up for other sugar cravings. You may be able to eat 2 per day, what are your goals?
I don't buy packaged sauces due to sugars and other nasty ingredients, there are recipes out there you can make your self. But most bought ones have other crap in them. Depends on how strict you want to be about avoiding these things I guess.
I don't eat chocolate. Some do, but there are dark chocolates out there without things like sugar or soy lecithin etc. You just have to look for the good stuff
I don't buy anything packaged actually.
Do you have the book?