RATIOXA LEARN · Home
Decision guides: Home
Understand the variables, common mistakes and crossovers before you calculate. Compare wealth paths, mortgages and a transparent affordability range.
Rent or buy: compare net wealth
Put down payment, debt, transaction cost, rent and invested differences into one fair model.
Read article →Mortgages: payment, interest and balance
What an annuity mortgage does each month and why early overpayment matters.
Read article →How much home fits your budget?
Move from a chosen monthly budget through rate and term to a transparent purchase-price range.
Read article →Property appreciation without false precision
What growth rate to use and why a crossover is better than one forecast.
Read article →How much equity for a home purchase?
Plan equity, acquisition costs and liquidity reserve as scenarios rather than one rigid ratio.
Read article →Mortgage overpayment or invest?
Assess guaranteed interest saving, uncertain investment return and liquidity together.
Read article →Which home-buying costs arise?
Plan taxes, legal work, brokerage and finance without one universal regional assumption.
Read article →How does the mortgage rate change a home purchase?
Consider payment, affordable loan, interest cost and remaining balance together.
Read article →Why the mortgage payment is not the true housing cost
Separate interest, principal, maintenance and tied-up capital.
Read article →Buy and sell again after five years?
Why a short holding period amplifies transaction cost and resale uncertainty.
Read article →How RATIOXA uses break-even analysis
Understand not only the answer but the exact crossover between two options.
Read article →The ECB rate is not your mortgage rate
Separate policy rate, funding, term risk and personal credit margin.
Read article →Remaining balance after the fixed-rate period
Why payment and rate without the remaining debt are incomplete.
Read article →When buying reaches its crossover
Compare buying cost, selling cost and ending wealth across the holding period.
Read article →When property prices fall
Translate negative appreciation into net wealth, leverage and selling cost.
Read article →Rent escalation as a scenario
Do not model rent as constant or escalation as a certain forecast.
Read article →Model a home maintenance reserve
Capture an ongoing reserve and large irregular works in the buying path.
Read article →Selling costs change the buying path
Deduct agent, documentation and transaction costs from later market value.
Read article →Fixed-rate period versus total loan term
Why the end of the price guarantee is not the end of the debt.
Read article →Energy performance and credit assessment
Separate Bundesbank survey context from personal finance.
Read article →TOOLS
Related calculators
Rent or buy?Net wealth, remaining debt, rent and invested difference.→Mortgage calculatorPayment, interest, balance and extra repayment.→How much home fits?Indicative range from budget, rate, down payment and costs.→GLOSSARY