Business is an activity that demands management, leadership, and enthusiasm. It associates both ups and downs at certain intervals. All established businesses was once a startup, you might have listened or read struggles of small business owners who faced the problems and now running multimillionare companies. There are so many common business problems like finding customers, generating leads, building an email list, hiring the right people for the job, controlling finance and expenses, etc they faced and successfully overcome it.
https://takefin.org/challenges-in-small-business/