Buying in bulk is a huge savings. Same goes for gardening and growing your own foods.
Getting the proper containers to store your goods in is vital or else all the money you saved on shopping is going to end up going to waste later on.
I buy in bulk as much as possible but I also grow as much as possible to save even more money.
If this is something that you do also you will need canning jars and seals as well. That way what you grow will last much longer than normal.