<human>:  I'm thinking about taking up a side hustle. What are some of the most successful businesses I can start today?
<bot>: Some of the most successful businesses you can start today include online tutoring, freelance writing and editing, virtual assistant services, web design, app development, and digital marketing. You may also want to consider starting an online store, providing professional consulting services, or creating an ebook or digital course. Additionally, home improvement services such as painting, cleaning, and gardening are popular businesses to start today.