Thank you for your reply. I Come ON!

You may not be getting much response because not very many people have started a one-person company :\

But it is a good question and commenters should give their experiences or opinions anyway.

I would say I really prefer very "high-touch" sales, I think it's worth it, it's your first customer and you both are at a point where you can make more out of a working relationship by building the relationship itself in a unique way even if you are selling a standard product. So the more you put into it can pay off better, even if you won't be able to give as much attention to following customers or clients.