most people pick a saas idea by guessing what's missing. i did the opposite and went hunting for software people already hate but won't leave. pulled 13,311 capterra companies and 7,989 g2 profiles . filtered for three things at once: 200+ reviews , negative nps , and sentiment that's actively declining year over year. then i cut it to the boring shit nobody wants to touch. dental software. construction accounting. medical emr. legal practice management. the stuff that sounds painful to...