Starting an app like Facebook would require a significant amount of resources and expertise. Here are some key considerations to keep in mind:

  1. Target audience: Identifying your target audience is crucial to the success of your app. Consider the demographics, interests, and needs of your target users and design your app to meet their needs.

  2. Features: Facebook offers a wide range of features, including the ability to create profiles, connect with friends, share content, and more. Consider which features are most important to your target audience and design your app accordingly.

  3. Design: A well-designed app is crucial for user engagement and retention. Consider hiring a professional designer to create a visually appealing and user-friendly interface for your app.

  4. Technical expertise: Building an app like Facebook will require a team with expertise in areas such as app development, server infrastructure, and data management.

  5. Marketing and promotion: Once your app is developed, you will need to promote it to attract users. This could involve a combination of online and offline marketing efforts, such as social media campaigns, influencer marketing, and offline advertising.

The cost of starting an app like Facebook will depend on a variety of factors, including the size of your team, the complexity of the app, and your marketing budget. It is important to carefully plan your budget and allocate resources appropriately.