Building personal apps

I built a spend tracking app for myself as a side project - and I am really excited for what this new era of software development will mean for building "personal apps". Understanding my finances have been a perpetual challenge. There are several apps out there, and none of them have worked for me. For the last 5 years, I have tracked my investments on a Google Sheet and I update it every couple of months. This works for me since I do mostly passive investments and the ritual shows me the progress and helps me make decisions. Spends, though, are a different story. Thankfully, I am not a big spender by nature, so I am not extremely concerned about overspending and budgeting. However, the Data guy in me does want to keep a track of things with a dashboard. The problem is, there is only one source for the complete data: Emails. Email is one place where all the bills and alerts get aggregated. There are apps like Cred and FoldMoney, which are built to do this tracking. But, I do not want…