Don't buy cheap. Make sure you get adjustable wire speed and adjustable volts if going for mig.
As others have said. Gas is expensive so if you're not planning on welding lots of stuff. E71-T1. (Flux cored wire)
And for anyone checking this thread....
Pay once cry once. Buy a mig welder that has adjustable wire speed and adjustable volts. Fully adjustable. (That looks like a mig welder.) If buying a tig welder. Just buy the DC plus AC option if budget allows. Once again pay once cry once.
Had the...
Depending on year model and engine number NGK should stock. If engine code is M9MA the recommended plug is ILZNAR8A7G. (2014 onwards.) they are iridium plugs. Not cheap. I've had platinum plugs fail on me after 15k km. Intermittently. Im not too clued up on the design of the kuga engine. If it's...