Closet Tools is a successful SaaS plugin created by Jordan O'Connor, generating $38,000 per month in revenue. The tool automates tasks for Poshmark users, significantly enhancing their efficiency and productivity. O'Connor, an electrical engineer turned self-taught developer, built the initial version of the tool in just 28 days. The business has seen consistent growth since its inception in December 2019, with revenues reaching $468K by the end of 2023. O'Connor started Closet Tools to help his wife manage her Poshmark profile more effectively. He noticed that she spent considerable time on repetitive tasks to attract traffic and sales, inspiring him to develop a solution. The tool quickly gained traction among users, leading to steady revenue growth and a solid customer base. The growth strategy for Closet Tools involved content marketing, including blog posts and Reddit engagement, which helped drive traffic and sign-ups. Despite minimal initial investment, O'Connor's focus on customer needs and organic growth strategies has ensured the business's profitability and success.

Music For Pets, founded by Amman Ahmed and Ricardo Henriquez in January 2017, is a unique business that creates soothing audio and video content to help pets relax. The company, based in Manchester, UK, generates $800,000 in monthly revenue and has grown significantly since its inception. With minimal starting costs and a focus on high-quality content, Music For Pets has become a profitable venture, leveraging platforms like YouTube and Spotify to reach pet owners globally. Amman Ahmed's journey into entrepreneurship began with a side hustle that evolved into a full-fledged business aimed at helping pets cope with anxiety and stress. The idea was sparked by observing pets' positive responses to relaxing audio tracks initially intended for humans. This insight led to the creation of a dedicated platform for pet relaxation content. Music For Pets has achieved remarkable growth by maintaining low overheads, focusing on customer satisfaction, and utilizing word-of-mouth and SEO for marketing. Their innovative approach and commitment to quality have made them a leader in the niche market of pet relaxation.