Every job seeker eventually faces the same question: fire off applications to everything that vaguely fits, or pour effort into a short list of roles you really want. People online will tell you confidently that one approach is right and the other is a waste of time. The truth is messier, and it depends on where you are.
What each approach actually costs
Mass applying trades quality for volume. You send a near-identical CV to dozens of roles, betting that quantity will surface a few hits. It feels productive because the numbers go up fast. The hidden cost is that generic applications convert poorly, so your response rate per application drops, and you can burn out chasing a metric that does not lead anywhere.
Targeted applying flips the trade. You research each company, tailor your CV and cover letter, and apply to fewer roles with much higher effort per application. Response rates per application go up, but you cover less ground, which is risky if you need something fast.
When mass application makes sense
There are real situations where volume is the right call. If you are early in your career and competing in a large applicant pool, if you are relocating and applying across a whole city, or if you are in a field where roles are interchangeable enough that tailoring adds little. In those cases, a decent baseline CV sent widely can be efficient. Just do not pretend a spray-and-pray approach to a senior specialist role will work the same way.
When targeting wins
The more senior or specialized the role, the more targeting pays off. At that level, the gap between a generic application and a tailored one is enormous, because hiring managers are looking for specific fit and will notice the difference immediately. The same is true when you genuinely care about a small number of companies. Ten strong applications beat a hundred forgettable ones when each one is competing on quality rather than luck.
The hybrid most people should run
Most effective searches are not pure. A practical split is to keep a tier system: a small group of dream roles you research deeply and tailor heavily, a middle group of good-fit roles you tailor lightly, and a wider group where a solid base CV goes out with minimal changes. This lets you cover ground without treating every application the same.
The thing that makes a hybrid work is having a strong base CV you can adapt quickly. If you build that base from your LinkedIn profile with a tool like Postulit, the lightly-tailored tier costs you minutes instead of hours, which is what makes the whole system sustainable. Track what you send and what gets responses, and let your real numbers, not internet advice, tell you where to spend your effort.