Here are the top 10 solopreneur business ideas for 2023: 1. Online reseller business 2. Premium options such as floor waxing and exterior power washing 3. Teaching aid tools and online tutoring 4. QuickBooks Bookkeeping Certification for bookkeeping services 5. Graphic design business 6. T-shirt printing business 7. Dog walking and pet sitting services 8. Cleaning services for homes and commercial properties 9. Subscription box service 10. E-commerce store for curated products