when should you consider implementing a feature flag system, maybe when youre working on a big project and want to test

hey everyone, i've been thinking a lot about how we manage new feature rollouts and the risks involved. we've all been there with a tricky deployment. i'm curious to hear your thoughts on when it makes sense to introduce a formal feature flagging system. is it for teams of a certain size, project complexity, or just a general best practice to adopt early on? what are the key indicators that signal it's time to move beyond simple deploy/undeploy strategies