As a Sales-Co-Founder when and how to hire a Sales Rep „i will not promote“

Hi everyone, i am sales co founder for a SaaS Solution in a niche Market. We got the first Demos and Customer help shaping our MVP. My Role as a Sales-Co-Founder is to build a repeatable Sales Machine, my question is at what point should i start looking for Reps. I dont see myself doing the operative sales cycle - prospecting/negotiation/closing with the client at one point. I want to build a Team which can do it. Of course the first customers i have to do it.