“the best signal you can find on Twitter is when founders share their MR screenshot or stripe screenshot uh I know that sounds basic but honestly it's the ultimate proof that the tool is working and that people are paying for it”

Target Founders Sharing Revenue Screenshots on Twitter to Find Ideas

Samuel's first validation filter is finding public proof of payment before investing any time building. He scours Twitter communities like solopreneur and building-in-public specifically for MRR and Stripe screenshot posts. This eliminates the guesswork of whether real demand exists.