I just noticed for the first time today that Lowe's is carrying the 5 gallon food grade buckets for under $4.00 and the lids for under $2.00. I picked up one today.
I went out to a local vineyard last weekend to pick some grapes and the owner had a stock pile of buckets and they told me to take all that I wanted so I got some buckets and some grapes just for the taken