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one thing i know i need help on is the propper amount to bet.

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It's never too much of a mistake to bet 3/4 pot

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im wondering where i can start reading up on and learning about NL play besides 2p2

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No need. Everything you need is right here. Maybe a few books will be a good addition, but the answer to the rest of your questions is 'it depends'.

There are many many factors that make every single hand unique, and if you keep reading 2+2 and posting tough hands for you, then you will begin to understand how to adapt to each new situation.