hi everyone my names john and im looking at buying a MIG welder to have a go at welding i currently have a sierra that needs a little bit of welding doing to it and i would like to learn how to do it aswell is it possible to self teach yaself how to do it or is it a no no and also seen a few mig welders online quite cheap and think it would be a great hobby and skill to learn any info would help me cheers