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GPT-6.1-SOL
💳 Build a private, offline debt payoff planner that shows your debt-free date.
❄️ Snowball vs 🏔️ avalanche vs minimum-only, side by side
📅 Month-by-month schedule with payoff order + CSV
📉 Balance chart and payoff timeline milestones
💸 What-if slider: extra $/month → months + interest saved
🎁 One-time extra payments (tax refund, bonus)
🧪 Built-in self-test: 19 math checks must PASS
📄 One HTML file, no accounts, no bank login
...more
Added 1 week ago
