Metal Cutting

I was wondering, what house hold tool I can use to cut metal or aluminum sheets? also with the sharp edges of the sheets how can I smooth it out, so I wont cut myself.

Jigsaw with metal cutting blades.

Metal shaving file

Can get both for around $25

it all depends on the thickness

for thick stuff use something like this

http://www.epinions.com/hmgd-Tools-B...tting_Band_Saw

or for thinner stuff use tin snips

http://www.sears.com/sr/javasr/produ...id=00942724000