She may not have been making a lot of money, and I'm sure she did the best she could for her customers (returned dresses or money). If it was her full-time job, Y-Combinator isn't going to work well for her if she has to also manage a company in Australia. I'm all for her giving it a good go in a bigger market and either a competitor will spring up in her place in Australia or she'll come back with better tools and support to her home country.