Unsure if this is Avoidant P. Disorder

Hello, I'm unsure if i have avoidant personality disorder or not. I rarely leave my apartment -- except for work. I happen to run the petty cash there which tends to make me extremely stressed. I feel as if I am having a heart attack each time a person comes for money. It is almost unbearable. Making the check in order to replenish it is much, much worse. After that, I find myself counting it constantly -- as in other spheres of my life. Needless to say, once I finish, I find myself escaping it all in alcohol. I was almost kicked out of uni for being a drunk, yet somehow was able to finish. I kept 4.0 gpa but drank always, always... almost obsessively on both class and drink. I find myself wanting a relationship, but view any sort of emotional attachment as weak. Hence to say, I pretty much reject everything.... yet desire something.

Maybe OCPD and AvPD (or RCC with SRA if you like Millon's system better than DSM)? Only a professional is allowed to diagnosis you though, so it would be good if you saw one.