D.G.
Unfortunately, the junk is usually the stuff that's on sale or less expensive. Google the list Dirty Dozen. It will give you an idea of what's best to buy organic and what you don't need to spend extra money on for organic.
One of the things that I do because I can't afford to buy everthing organic is to wash my fruit and veggies in an apple cider vinegar bath. It helps to neutrilize the chemicals. It's better than just washing the fruit.
Reading food labels is so important. It's a great way to get started down a healthier road!
Good luck