The document lists 30 business ideas that can be launched for cheap or free, including food truck businesses, custom gift shops, photography businesses, dropshipping, mobile phone repair, bakeries, bookkeeping services, event planning, pet businesses, interior design, makeup artistry, data analysis consulting, social media consulting, content writing, blogging, YouTube, graphic design, language teaching, home gyms, yoga instruction, daycares, organizing services, mobile medical services, tutoring, computer programming instruction, sports coaching, stand-up comedy, catering, tour guiding, and transcription. It encourages exploring these ideas to kickstart one's own business in 2021.