The first thing you need to do is find out whether your glow forge is capable of cutting metal. If it's not, then don't waste your money
The second thing to consider is whether you want to use the glow forge for cutting metal or not. If you are going to use it for cutting, then make sure that the material being cut is suitably hard and tough
The third thing to consider is how much money you want to spend on a glow forge. This will depend on how much you want it and what type of results you are hoping for from using it
The fourth thing to consider is whether or not your local store has any left over stock of glow forges. If they do, then go there and buy one right away before someone else does so
If all these factors are answered satisfactorily, then go ahead and buy a glow forge today!
will a glow forge cut metal