I got lucky. Years ago I was short of Christmas money and was finishing a knife I was going to give to one of my sons when a friend saw it and offered me a nice sum ( $375.00) for it. He paid me and put half down on another of the same price. He spread the word. Orders flew in and I am still busy. That first knife sold was in 1991.
When he asked what I would charge for the first knife, I had no idea but played it smart and asked for an offer. I did my best old Indian deadpan face and when he paid in cash and left, I felt like doing cartwheels!
I make only ( fixed blade) knives that are ordered. A few customers are a result of a hunting forum I am a member of. A couple of fellow members are repeat customers, one having 5 of my knives and has ordered some more. Some of those went to his family members. A few other knives went to other members, some out of the USA.
One thing that has been a real help is mirror polish of my blades.
Another big plus is using great looking stabilized wood, the best you can afford. I cut and dry most of my own wood and select only presentation grade and ship to WSSI for stabilizing. I do buy some stabilized burl.
Make sure when making the knife, the handle with the best of the grain is exposed in the sheath: right hand sheath with the best grain showing on the outside, etc. And a hard RC has been my trademark.
One more point, have a really fine sheath for the knife. I have a pal that does all my leather work and hand sews everthing. The sheaths are also wet formed of veg tanned leather. He cuts me a fair deal and worth every cent.