Pricing rule of thumb?

[WillAdams (William Adams (Carbide 3D))]

There was a bit of discussion on pricing at:

Skull Mount....how much?

Pricing is an art form. Remember that you have to cover not just materials and time, but also consumables — which includes endmills. A basic formula: double, triple or quadruple material cost add in some amount to cover the wear / risk to the endmill (up to the full cost) add in a bit to encompass wear on the machine (consumable parts include V-wheels, belts, router brushes) add in a reasonable labour cost for your time (at least minimum wage, but this is skilled labour) add in a reasonable co…