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Comgrow has the Comgo Z1 10W laser engraver, for $ 244.30 instead of $ 349 with the code Z130 from the title there.
It’s the lowest sale price that I’ve seen so for for the 10W version, which is better for cutting than the 5W version.

Shipping from Comgrow’s US warehouse is free.

It has a laser module with a real 10W light power output, which equals to what others sell as a ’40W’ laser. The efficiency is also increased by the small focus point of the laser (LD+FAC technology, 80×80µm laser spot). Compared to a 5W laser you need fewer passes for cutting wood and engraving metals is easier.