money.tideline/money-tools

Tideline Money Tools

Free money calculators: option expiry risk, debt avalanche, cash runway, subscriptions, invoices.

1.1.0
Version
remote
Transport
7
Tools

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Reviewed 1d ago.

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Tools (7)

  • debt_avalanche_plan

    Debt payoff plan: avalanche order (highest APR first), month-by-month simulation to a debt-free date, interest vs minimums-only, and what one extra $50/mo buys. All math local and deterministic.

  • cash_runway

    Months of cash runway for a household or freelance practice — hard runway (committed income only) and working runway, against honest burn including paying yourself.

  • subscription_audit

    Find recurring charges in a transaction list — subscriptions, price-similar repeats — ranked by annual cost. Send 90+ days of (date, amount, description) rows for best results.

  • effective_hourly_rate

    Freelancers: real $/hr per client — dollars actually collected divided by ALL hours logged (unbilled favors included). Exposes which clients quietly pay half your rate.

  • invoice_aging

    Invoice aging buckets with the right chase action per invoice (friendly nudge → firm ask → escalation plan) based on how late each one is.

  • option_expiry_risk

    What happens to an account if a single-leg US equity option finishes in the money at expiration: auto-exercise under the OCC $0.01 rule, the resulting long or short share position, whether a margin, cash, or IRA account can hold it (50% Reg T, $2,000 minimum for shorts, no shorts in cash/IRA), P&L and break-even, the trap zone (exercised but still losing), and pin risk near the strike. Optionally tests the price minus and plus an expected move. Deterministic arithmetic on your inputs; no market data.

  • debt_consolidation_check

    Should you consolidate credit cards with a personal loan? Compares paying the cards directly (same monthly amount, highest rate first, 0% promo aware) against up to two loan offers, including origination fees, shortfall/extra cash, and early payoff — shows interest+fees by payoff month and the month a fee offer stops being the better deal. Deterministic arithmetic; no credit data.