<human>:  What are the most cost effective ways to buy organic produce?
<bot>: The most cost effective ways to buy organic produce are 1) shopping at local farmers markets, 2) joining a Community Supported Agriculture (CSA) program, 3) growing it yourself, and 4) buying in bulk from stores or distributors that specialize in organic produce. Additionally, look for discounted items and take advantage of promotions from local growers.