Some body work needed..??

Hi guys and gals. I have some small bubbles in the paint starting to form on the front side of the lower quarter on the passengers side rear of the car. I'm pretty good when it comes to bondo and getting it really straight and ready for paint, but should I use bondo or dive into welding in patch panels. I never did any welding before, so I'm clueless when it comes to that. I don't even know what type of welder is needed and i don't want to spend a fortune on one. Do I need a welder or can I use one of those line feed types. I guess that would be a braising type welder that you can get at Home Depot. I'll post some pics later of the area. Any information would great. Thank you!

How about one of these? $169 and $269 Both got good reviews.
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Author: 66sportfury