Fried ribs are not your specialty. You can change them. For example, make dry pot ribs or spicy, spiced ribs or braised pork. After all, the cost of using ribs alone is really not low. You have to be simple, you have to do anything you want to be simple. There is no way to make the ribs look bigger again. Change the dish, make it delicious, there are still many ribs, with some accessories.
How big is the diced beef brisket? I don't think I've heard of beef brisket diced for cooking. The diced beef brisket you mentioned may be one piece. You may be talking about roast beef breast.
Are there any tips for preservation? First, put it in the refrigerator. Second, don't touch the brisket when cooking soup at night. Third, soup and oil must completely submerge the brisket.