What is my next step? How do I keep my credit in check?

[Samuel Maclean]

Hi I recently decided I was going to get a duplex/primary residence in the city I worked in, concord NH.  I applied and was prequalified for a great HLPR loan.  Well about two months into looking, a job opportunity opened up in Maine and I had to take the opportunity.  I would like to move to maine and start looking for a duplex in my area right away.  I will have to get prequalifed for a new loan.  My questions to the forum:

What do I tell the credit union here? Do I call and explain my situation to them?

How soon can I get prequalifed again? Should I wait for the new year or would that make a difference? I do not want my credit constantly checked. 

How long should I wait to get pre-qualified again?

On another note, I just got rich dad poor dad and could not put it down. Read the whole book in a night.  Ive been listening to podcasts like a madman.  LOVE THIS SITE!