Flipping houses with partner in PA. Newbie here asking for advice

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Hey guys! I am a newbie to Real Estate Investing and I think asking experienced people here is a great start for me :).

I live in California but want to invest in Berks County, PA, with a partner where he lives. 

What we want to do is flip houses. Though I live far away I will be in PA often.

I will do all the work and he will be the investor without doing any work himself. 

We agreed to split the profits 50/50. 

I need advice from you guys regarding this. What are the necessary steps to take to make this business venture successful?

Please feel free to give any advice you feel is important and useful. 

Thanks in advance guys!