It's so important to support your family in the ways you can. That doesn't just mean seeing each other twice yearly during Christmas and Thanksgiving. It means showing up for them in the things they care about. If your sibling ran a business in your area and you never supported it, they'd probably feel lousy. It's one thing if your kid brother sells dog food and you don't have a dog, but it's another thing if he sells a product that is affordable, delicious, and enjoyable for the whole family, and you refuse to support it.
One husband and wife recently went viral for squabbling about this exact problem. The wife spent $45 each week to buy burgers for her family of 5 from her sister's business. Her husband couldn't wrap his head around why she'd do that since they have the recipe, and technically, she could make them at home.
