Power Athlete on a Budget

Hi John, Currently I am in college in South Carolina and this August begin a new job. For the first time ever, I will also have to budget my food. How would you recommend I plan my food purchases? For instance, is grass fed beef more important than organic chicken? Where should I go organic? For the Paleo-ish diet, where should I place the priority? I am thinking of budgeting $80-100 per month [...]