Tip for Bug Bounty?

Good day guys, am new in cyber security andi have been reading articles about bug bounty, seen some platform for bug bounty(hackerone) but my question is how I get websites to check for bugs? and will i be the one to deteremin how much a bug is worth or the organisation?.

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Learn from labs to build the critical thinking and the same time try to hack a program to learn the patterns in any bb program and more thing keep pushing it long journey.