Communication is key to helping them understand what you're doing. Explain to them your intention and goals. Allow them to be a part of the process, if they're interested. Ask for their support as opposed to expecting or demanding it. If they have concerns, try to understand where they're coming from. Respond to their questions, issues, or objections, discussing them openly and calmly. There is a lot you can do to get your family members on board with your home business goal if they're resistant.
Many popular businesses, such as Microsoft and Apple, started their journey in a garage. If you have similar aspirations, start the process by learning how to start a small business at home. The process is similar to opening a brick-and-mortar business—sometimes with lower startup costs. Some of the steps are different, such as the need to obtain an at-home business license and learning online marketing.