Ihave a 110 volt lincoln and use flux core for the same reasons .I have been using it for several years now ,
1\8 metal is no problem with a single pass. Heavier metal would need more. Mine can be converted to gas if you
want it but some can't so be careful.
http://www.homedepot.com/p/Lincoln-Electric-Weld-Pak-125-HD-Wire-Feed-Welder-K2513-1/100670933#specifications