Should I see a real estate lawyer before renting a room out?

[Daniel Taki]

For a while I've had my place rented out by my two close friends, however one of them recently moved out , and now I'm considering seeking a stranger to move in.  I was wondering if it would be a good idea to consult a real estate attorney to make sure I understand everything that goes into this and possible risks.  I reached out to one and the rate was $175 for half an hour and $300 for a full hour and $500 - $750 depending on how complex/inclusive the lease agreement will be. Does this sound pretty normal?