Ruby was somewhat confused of her father's question, though she got the general gist of what he was trying to say.

"Professor Shacklebolt runs her business through her home. Many people who seek her services visit her - kind of like how you'd go to a healer at the hospital if you needed his expertise. I did tell her I want to introduce her to you, so we could pay her a call one of these days? Also-" she paused, fidgeting with her fingers awkwardly. "I have already been offering people postal services, under a pen-name. I made enough to not need my pocket money for my last Hogsmeade weekend, you know." She smiled, visibly proud at herself.