Comment ‘IDEAS’ to get a list of 137 most profitable business ideas in a PDF with a full breakdown for each niche. These 13 service businesses can be started with under $10K and are already pulling in real monthly income. No tech startups. No hype. Just proven, boring-but-profitable services. Revenue data sourced from the U.S. Census Bureau, industry federations, and key corporate reports. #businessideas #upflip | UpFlip