What are cheap hobbies that helps weight loss?

Cheap, do not take up much time, and aids weight loss. Oh and doesn't need extra equipments or arenas or something.
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I'm talking about hobbies, people. Not just exercises. Actually something that is actually fun. Running, not eating, are you kidding me? Wheres the fun in those? "What's your hobby?" "not eating". Brilliant. Running while for some of you is fun, is a form of torture for me.
What are cheap hobbies that helps weight loss?
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