I bought the cheapest MIG welder on eBay how bad is it

200 Amp MIG IGBT Welder, Gas/Gasless, Best Seller on eBay, 240v. If you are using flux cored wire for gasless you do not need to reverse the polarity, just install the wire and weld. DC current, fan cooled, thermostatically protected, suitable for gas MIG/MAG or flux (gasless) welding wire.