These are excellent questions. The first one will also likely tell you something about the company's culture and its approach to work-life balance. The second

These are excellent questions. The first one will also likely tell you something about the company's culture and its approach to work-life balance. The second may give you some insight not only into what the company's current areas are where you can make an impact but also whether they're poised to fail. Not to mention whether the founder is worried about the right things (either in general as a businessperson or for their stage of growth, or given the information you've gleaned from other discussions).