Another similar approach is to see what crazy process they're trying to jam into Excel or Google Sheets, and then you can build a more tailored app for that pro

Another similar approach is to see what crazy process they're trying to jam into Excel or Google Sheets, and then you can build a more tailored app for that process, ideally if other businesses could benefit from it. Edit: I should've read giarc's comment below! We're essentially saying the same thing.