Why do these lasers cost so much?

Over the past year there has been one laser I've used and loved but never reviewed. In this video that changes. Let's check out the Thunder NOVA 24! Full Disclosure - Thunder sent me this machine for review at no cost. I don't have an affiliate relationship with them and all opinions are my own Thunder NOVA - https://geni.us/8GLek?track=ENCJEaBGFKQ Other Laser's mentioned (affiliate) xTool P2 - https://geni.us/xtoolp2?track=ENCJEaB... OMTech Polar - https://geni.us/omtechpolar?track=5Yf... OMTech 60W - https://geni.us/wGpjZ?track=ENCJEaBGFKQ Flux HEXA - https://geni.us/fluxhexa?track=ENCJEa... Other Reviews xTool P2 -    • Worth it? How the xTool P2 CO2 Laser Stack...   OMTech Polar -    • $4000 cheaper than Glowforge AND better?  ...   Flux HEXA -    • Is Glowforge Dead?  FLUX HEXA 60W Laser Re...