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I have a website in humor niche it's cpc is $0.2-0.10
How can i increase my cpc?
What niche's keyword should i choose?

Any kind of help related to this will appreciated

it's very hard to boost the CPC in you niche. Even if you include high value keywords I don't think will get you bigger earning. Nevertheless, here are some top keywords: insurance, credit, loans, attorney, lawyer, trading, rehab, treatment, hosting. Hope they'll help you. Good luck man :)