The biggest SaaS challenges rarely make the front page. This week: founders aren't struggling because they can't build, they're struggling because hidden friction keeps stealing their time. Solo founders are trapped in a 24/7 on-call cycle, early infrastructure shortcuts become scaling disasters months later, and AI agents are creating an entirely new security problem around data access. At the same time, founders who focus on narrow verticals and talk directly to customers keep proving that distribution isn't broken, it just isn't generic. The biggest opportunities often hide in the operational pain that everyone accepts as "just part of the job."