As far as materials, I've got under $100 into it. I think I spent $20 on the junkyard dash, $15 on the Lexan, $5 for the scap aluminum I used to make the switch panels, $20 for the vinyl cover, $15 for new paint for the dash pad and then some misc fiberglass that I used to blend it together and the primer/paint to finish it. The rest is all time. The guages themselves . . . well that's a whole 'nother bank account. Autometer stuff is not cheap but they work well and I like to know all of what's going on with my truck. I've got a little over $1000 into guages and still have 1 or 2 more to buy.