Trying for improvement

So the current job or jobs since it is a split position are OK.  It lacks the perceived prestige of requiring an MLIS and also the issue that the current economy is starting to squeeze the family budget dry.  So I am passively looking for positions, mostly on campus  This has caused me to wonder what I do well.  There is nothing like applying for positions to make you feel unqualified.  They don't exactly want to give a position to a person who doesn't know something now but knows they could quickly pick it up on the job.  And job interviews just are awful when you are a quiet type.   So now I need to figure out what I can actually do and when does being a little familiar with HTML or EAD actually mean something.  Because I don't want this decision to try out the world of libraries to have been the wrong choice.