In my opinion, yes. Nothing is more likely to derail a short sale or foreclosure purchase than having anyone on the 'team' that does mot understand the process. These purchases can take a long time, they require more paperwork, and if you and your realtor are not prepared for that it can be frustrating and confusing. Last week, during Hurricane Sandy's aftermath, I met a short sale client twice in a parking lot to get paperwork signed, once we had a notary public in tow. Then the buyers' realtor and I arranged to meet, twice, to get signatures from everyone on their side. Unless you have someone who both understands such demands by the bank are not unusual and are willing to comply with those demands cheerfully these transactions can go bad quickly; My advice is to find someone with either the SFR and/or CDPE designations indicating they are the training and experience you need.