yep, some salons anyhow ask you to buy their products, sometimes
you can go without it
49.90 is still expensive for straightening i think, i rem last
time cheapest is $80 
anyway, for the straightener, dont every day go straighten la..
hair will become very dry and sometimes will break but you say you
have rather short hair so i guess shld be ok, just straighten the
fringe can already