I know I've had this question before myself, so when my sister handed out a sheet on it at my last birth class, I thought I'd share it cause maybe you've had the same question??? YOU ARE WELCOME.
So, organic is expensive and it's overwhelming... there's a lot of fruit and vegetables to buy and does it ALL need to be organic or some of it or none of it or blah blah blah blah. So, according to the Weston A. Price Foundation (a good source for all things health), there is a "dirty dozen" meaning those with the highest pesticide amounts. Your own intake of pesticides could be cut by almost 90% by avoiding the dirty dozen. So, use your dollars where it counts--not on the "clean fifteen" that have little pesticides anyway, but on the "dirty dozen." Unless you're rich and can afford to buy it all organic. Lucky you.
+ bell peppers
+ grapes (imported)
+ sweet corn
+ sweet peas
+ sweet potatoes
The general rule of thumb it seems, in going down the list anyway, is the thinner the skin (grapes, cherries, etc.), the more important it is to buy organic. But, then you've got tomatoes on the "clean fifteen" list, so disregard everything I just said.
And for meat, I say always go organic or as close to it as you can. You don't want to mess with that hormone, etc. crap. If it's too expensive, I say eat less meat but eat the best meat you can. Shazam!