Then you restructure your pricing to reflect those prospective risks. You do not just "close the door" on risky builds. Rather, you price them accordingly and clearly, and plainly, convey the risk to the buyer. There are a lot of professions were the professional does not
"guaranty their success." They simply pledge to do their best. Breaking in a SFT cam is a good example. If you do your best, and it goes south, the cost should be on me, not you.
