This! If you want bulk basics the only cheaper source is doing it yourself at the LDS cannery.
Their Years supply of grains and legumes is on sale now and shipping is a flat $12. Maybe the best deal in the US right now.
And so you know I'm not blowing smoke:
Too bad food suppliers stamp their logo on the buckets. It’d be wise to repack it all into generic brown cardboard boxes and relabel it with “Susy’s baby toys” so it’s not so obvious.