Lexi Tobin, 27, turned a viral TikTok video of her sister's proposal into a lucrative side hustle, planning proposals and events, earning up to $20,000 a month. With nearly 330,000 followers, she combines client fees and brand deals, dedicating up to 100 hours a week to her ventures while investing her earnings in the stock market. Tobin's niche in the wedding industry reflects a growing trend, as one in four proposers now seek professional help for their engagements.