There are 6 steps to using a laser cutter at home on the wikihow.com/Use-a-Laser-Cutter website. If you follow the website instructions you should be fine.

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A laser cutter is a generic term for a broad range of machines with a broad range of capabilities. A machine shop laser cutter costs in excess of 30000$. A much less capable machine will run about 4500$.

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Laser consumables refer to the parts that can be replaced in a laser cutting machines, such as filters, nozzles and optics. A laser cutter is a machine that cuts materials very accurately using a laser.