TL;DR: Nope!
There are some things I would do a little differently when purchasing my 50W laser from eBay. The main thing...look for a Ruida controller.
Check out some specific projects/use cases that this thing can cut: • What can a $1500 50W Chinese laser ac...
My complete laser rankings: • The Best Laser Cutter for any Budget?
50W Laser (eBay): https://geni.us/NsQiB9Q
50W Laser (Amazon): https://geni.us/PvUd
Alphawise C10 CNC https://geni.us/uBkcNy
15W Ortur Laser Master Engraver https://geni.us/xhqAGyI
15W Ortur Laster Master Engraver 2 https://geni.us/yhIh
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FAVORITE ROBOTS (affiliate)
Favorite Laser Cutter https://geni.us/KrbIO
Budget Diode Laser https://geni.us/W5yj
Budget CO2 Laser https://geni.us/kYTy
Engrave Metal https://geni.us/KHK2
XCarve CNC https://geni.us/ykswx4
Favorite 3D Printer https://geni.us/qHrta
Resin 3D Printer https://geni.us/d8JGVEw
Vinyl Cutter https://geni.us/oFWm
TOOLS (affiliate)
Table Saw https://geni.us/sFzQ
Miter Saw https://geni.us/h8YkN
Band Saw https://geni.us/MkqUZ
Impact Drive & Drill https://geni.us/mfAysU
Drill Press https://geni.us/dNyI9h
Planer https://geni.us/yysAwMd
Orbital Sander https://geni.us/kOil
6 in Jointer https://geni.us/600Mv
Welder https://geni.us/PGMBqN
Kreg Jig K4 https://geni.us/ApW1r1
Plunge Router https://geni.us/iRGoj
Jack Handplane https://geni.us/ublnoRQ
Combo Square https://geni.us/BkCt5n
Woodpeckers 6 in Square https://geni.us/LMYqdh
PFEIL Marking Knife https://geni.us/BUcKI
Handsaw https://geni.us/h9sq04K
CAMERA GEAR (affiliate)
Main Camera https://geni.us/9nlsv
All Around Lens https://geni.us/gfEnA6K
On Camera Microphone https://geni.us/O3McpqZ
Rode Wireless Kit https://geni.us/NZQsVFA
Diety Lav Mic https://geni.us/sHyc99Z
Tripod https://geni.us/x0dRK
Video Switcher https://geni.us/h5nKZN
Key Light https://geni.us/fNik
PODCASTING GEAR (affiliate)
Microphone https://geni.us/QpeqB
Cheaper Microphone https://geni.us/3HADRSA
Boom Swivel Arm
Audio Interface/Recorder https://geni.us/hE656
Cheaper Interface https://geni.us/OZqa