How much % share to give to cofounder?

I will start a new SAAS startup. My cofounder is experienced coder who I believe he will create the product in a short time with good quality. I am product manager where I will design the website, do the marketing, money stuff and set up the company. So I will do everything else beside coding. We are colleagues in a company so we will work on this project on nights and weekends. It is a SAAS product so I think having a technic cofounder is important. I believe the product will be successful so I can even invest in it. So how much % shares should be? 50-50, 60-40, 70-30... Would it be good to say, I want to invest $10k where cofounder does not invest, so I can get more share? Waiting for your opinions...

submitted by /u/rdvn
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