Most people who want to make cues love the sport, and are really disappointed when they find out they won t have time to play. Be prepared to work 70-80 hours a week. There are other surprises awaiting would-be cuemakers. There are substantial health hazards with the materials. Regrinding tools can produce carcinogenic carbide dust.
Some woods are toxic, such as cocobolo dust.
The biggest danger is in the carcinogenic nature of the many finishes. Elaborate breathing equipment has to be used, and you can absorb some toxic liquids through you skin. Crosslinked finishes, such as CAB, catalyzed lacquers, and conversion varnish are all very dangerous. Polyester is among the worst. Even the common urethane lacquer and nitrocellulose lacquers are dangerous.