Please choose the correct ending to complete the given sentence: Finance and Business: [header] How to shop carefully with a tight budget [title] Buy food first. [step] Check your refrigerator for the staples that need to be replaced. Milk, bread, eggs and cheese are all staples that should be available, and should go first on your shopping list.

Ending1: [substeps] It's best not to limit yourself to just a cup of low-calorie coffee or a bag of oatmeal when shopping for most brands. Nuts, as well as milk and cheese, are generally staples, and you need to stock up, if your store has any. Ending2: Expensive fresh fruit can be replaced with canned fruit. Macaroni and pasta are cheap, but not very nutritious. Ending3: You don't want to have to stick with a staple-size item for a month, after which you need to start adding more. [substeps] Try to be sensible when shopping at stores, that each brand will be more expensive than another. Ending4: [substeps] If you're looking for something that doesn't fit into your budget, there are a number of methods where you can eliminate them. Choose items that fit within your budget, as this may seem like the worst approach.

Answer format: ending1/ending2/ending3/ending4