Let's be clear from the start: there is no universal answer. Anyone who tells you "always buy made-to-measure" probably hasn't had to deal with certain deadlines. Anyone who tells you "ready-to-wear is perfectly fine" perhaps has never seen the difference a fabric cut truly to your shoulders makes. The truth lies in the middle, but not in a trivial way. It depends on you, on your physical build, on how often you'll wear that garment, and – yes – on how much you want to spend. Let's try to reason about it without romanticism or cynicism. Ready-to-wear: when it works...