Traditional funerals in the US cost an average of around $7,000. So if we’re talking about substituting this, it does not seem like it would increase the total burden on the economy, at least in countries where this is already being paid for on a routine basis.
ETA: Here is the most official looking source I could find with google for the cost of a funeral. A metal casket is apparently a large part of the cost.
Try to live close to where you work. Failing that, try to work close to where you live. Commuting takes a lot of time and you don’t get paid for it.