Yes, I thought a custom light would be a cool way for him to get something he wants and I think to process of picking out the parts himself is just as fun for him as getting one from a manufacturer. I have budgeted between $50 to $100. I am clueless as to how much a custom flashlight would cost. I know most lights he purchases are in the $20-50 range (with the exception of the two mile range one). I’ve also heard him mention one flashlight brand that he isn’t willing to spend $80 on (and I could kick myself for not remembering). His favorites are the ones he can snag for $20-$30.