A solution must include
- A public video, free to watch, on YouTube or similar
- Covers interest, deposits, loan-to-value, repayment vs interest-only, overpayments and the total cost of borrowing
- Includes at least one worked example with real numbers
- Under 20 minutes long
- No product promotion or affiliate links
How itβs verified: Public video link; Timestamps showing where each required topic is covered.
The first valid solution wins.
The first solution that meets every criterion wins. No end date: open until solved.
Money is held in 75-day rounds. If a round ends without a winner, everyone who added money gets their bounty money back on their card. A bounty under $50 is refunded instead of paid out.
Solved it? Built it? Found it?

Nobody has submitted yet. You could be first. Solutions stay private until a winner is chosen.
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