The trick to making sure you're buying at the best price is to 'establish a price diary everyday products such as bread, milk, eggs, sugar, cereals, washing powder, etc.
This trick is an adequate tool to know if the price of a product is low enough to buy it.
It is also a good way to check if the promotions available in the supermarket are really interesting or not.
With this trick you can also easily compare prices between the different supermarkets and thus do your shopping where the products are really cheaper!
Keep a price diary for everyday products is a clever stingy trick that allows you to know precisely the price products instead of having a vague idea. A simple piece of paper that you will have to keep will do very well to keep your price diary .
For the smart ones who want to go further, you can also note the price of all the products on a shopping list. Once you get into the habit of updating your price log , you will save money at each checkout.