using a flux type (el cheapo) electric welder
Ah ok very descriptive, one assumes you mean a stick welder, rather than the much easier MIG welder, cost is about the same for the equipment, every type of welding requires a different approach. stick welding is better for heavier materials (more penetration) but blows out thin stuff without effort. MIG welds most thin stuff easily (more control) but doesn't have the penetration for heavier stuff.
hardest part of stick welding is rod selection (there are different rods for different jobs) and AMP selection to suit the rods.
if you need a pointer or two give us a shout I'm certified in most popular types of welding, ARC, MIG, TIG, GAS, all have a place in the arsenal of a welder.