Tony Dinh joins the dark side and replaces a $600-a-month newsletter tool

'Joining the dark side,' says Tony Dinh, with the energy of someone picking up a shotgun. He's replacing a SaaS he pays more than $600 a month for, and all he uses it for is sending one simple weekly newsletter. He doesn't name the tool, so neither will we. But the shape is familiar: the bill grew with the list while the job stayed the same size. When one weekly email costs $600 a month, rebuilding it stops being a hobby and becomes housekeeping.