Welding advice, Can a cheap flux welder do what I need? Options

[Deusexmachina77]

I have to weld in a new front trunk pan replacing the hole left from an AC unit. I have taken two MIG classes. Beside being a newbie, I have other limitations to consider.

I don’t have access to a 220 line.
I’m inexperienced.
It would cost me $1000 to have it professionally done. And I don’t want to buy a bunch of equipment for one job.

Can I use a flux welder? There a couple cheap units at Harbor Freight (under $150) on sale right now. What don’t I know that I should know?

Thanks (IMG:style_emoticons/default/welder.gif)

[porschetub]

Seems to be all about wire and feed control which my 2 yr old BOC Smootharc 180 240V has in spades ,I went from new machine and built a farm hay trailer that was framed in 6mm wall thickness box section galv-coated , I was on co2 gas the welding was so easy it was fun, vertical welds were so simple .
Fairly recently closed up the front panel OP had been cut for a cooler ,had no gas left so changed to flux wire and did some test welds after changing settings for 1mm thickness panel steel , my welding experience is pretty extensive but don't have a lot of time with panel steel , this machine made me look like a real "star" TBH.
To me welding is like painting ...its all in the prep , correct gaps,clean surfaces ,correct feed and current ,good helmet and gloves and you get a decent result IMO.
If you are a bit short of cash buy a half decent one then on sell when you are done .
Cheers.