Asking such question, it seems like you have no idea about what you really want.
First, you have to have a disruptive idea to get started. Thus, you do a market analysis and business plan to see whether you can be lucrative with your project. Ponder risks and try to find ways to minimise the risks.
Once you have done all these preliminary steps, you can start looking ahead: a team, office space, legal costs, marketing and so on. It won’t be cheap!
Try to get advice from people who have more experience.
Creating a token would be the easiest step. Creating a token with increasing value is the challenge! You want your project to be valuable too!
Good luck.
Well said, additionally you will also need to learn how to manage the community interactions. Have solid vision and stay focused on putting effort into developing your project.