you are not at all. it didnt matter whether u were in pah or another pet store or a rescue, u saw a bun and fell in love and bought it. that doesnt make u bad, that makes u care. to be honest although buying from pah adds to their sales etc, that little bun didnt ask to be sold by them, he had no control over where he was born and where he ended up. He had just as much right to a lovely life as any other bun. Dont be hard on urself, maybe have a good discussion with ur OH and see if funds could be sorted so u could get him. If it feels right then go for it.