Don’t underestimate your own sales ability—you’re more passionate and knowledgeable about the space you’re playing in and the product you’re building than anyone else out there.
I wrote some very tactical tips on technical-founder-led sales on Quora a while back, which I’d encourage you to take a look at if you’re curious.
Don’t try to step out of the role too soon. It’s tempting to hand off sales to someone else early, but don’t. You’ll want to do it because you want to get that unfiltered feedback from your customers and potential customers—it’ll help you improve the product!