Ingredients
I try to only use the best ingredients, as I have learned that cheaper is not always better.
The trick is to try and buy those higher priced, better brands, when they are on special. There is so much saving to be had, when I do that.
Having said that some ingredients do not need to be top notch, and they will still taste great in your cooking..
Here is a list of certain brands I always use:
Oil, Extra Virgin: Moro
Stock: Continental Stock Cubes
Turkish Bread: Vitastic