Source for Bulk Spices and Herbs in Providence Area
Can't help with bins, but:
Price Rite in Eagle Square has big bags of spices and chiles in the Hispanic aisle;
Not Just Spice on hope has good deals on spices used in Indian cooking.
Shores Market on Mineral Spring in North Providence has a house brand of spices that is far cheaper than most supermarkets.
There is also a Middle Eastern market on Mineral Spring
whole foods sells pre packed unlabeled spices at a good price.also check the latin section @local market the Bahia brand is pretty cheap,and they sell lots of stuff in little 59 cent bags.our local szeabra store,in bristol,also stores in fall river and swansea have a big diplay of bahia products.