Why standard budgeting apps fail, and how i combined Flask, MongoDB Atlas, and failover resilience to build a real-time spending guard. 🎯 1. The Problem: Why Traditional Budget Trackers Fail Most budget management applications act like passive digital receipts. You spend money, manually log expenses hours later, and only realize you've overspent when your bank balance hits zero. We built Spendwise to flip this paradigm on its head. Instead of just tracking past expense...