{
  "generatedAt": "2026-09-08",
  "assumptions": {
    "price": 440600,
    "mortgageRate": 6.55,
    "termYears": 30,
    "downPaymentPct": 20,
    "closingCostBuyPct": 3,
    "closingCostSellPct": 6,
    "propertyTaxPct": 1.1,
    "insurancePct": 0.5,
    "maintenancePct": 1,
    "baselineMonthlyRent": 2100,
    "rentGrowthPct": 3.5,
    "investmentReturnPct": 7
  },
  "baseline": {
    "monthlyPayment": 2240,
    "breakEvenYears": null,
    "netWorthByYear": [
      {
        "year": 1,
        "buyerNetWorth": 78011,
        "renterNetWorth": 121728,
        "gap": -43716
      },
      {
        "year": 2,
        "buyerNetWorth": 94975,
        "renterNetWorth": 142980,
        "gap": -48005
      },
      {
        "year": 3,
        "buyerNetWorth": 112604,
        "renterNetWorth": 165133,
        "gap": -52530
      },
      {
        "year": 4,
        "buyerNetWorth": 130928,
        "renterNetWorth": 188229,
        "gap": -57300
      },
      {
        "year": 5,
        "buyerNetWorth": 149980,
        "renterNetWorth": 212308,
        "gap": -62328
      },
      {
        "year": 6,
        "buyerNetWorth": 169794,
        "renterNetWorth": 237417,
        "gap": -67623
      },
      {
        "year": 7,
        "buyerNetWorth": 190405,
        "renterNetWorth": 263603,
        "gap": -73198
      },
      {
        "year": 8,
        "buyerNetWorth": 211851,
        "renterNetWorth": 290915,
        "gap": -79063
      },
      {
        "year": 9,
        "buyerNetWorth": 234172,
        "renterNetWorth": 319404,
        "gap": -85232
      },
      {
        "year": 10,
        "buyerNetWorth": 257409,
        "renterNetWorth": 349126,
        "gap": -91717
      },
      {
        "year": 11,
        "buyerNetWorth": 281607,
        "renterNetWorth": 380137,
        "gap": -98530
      },
      {
        "year": 12,
        "buyerNetWorth": 306811,
        "renterNetWorth": 412499,
        "gap": -105687
      },
      {
        "year": 13,
        "buyerNetWorth": 333073,
        "renterNetWorth": 446273,
        "gap": -113201
      },
      {
        "year": 14,
        "buyerNetWorth": 360442,
        "renterNetWorth": 481528,
        "gap": -121086
      },
      {
        "year": 15,
        "buyerNetWorth": 388975,
        "renterNetWorth": 518332,
        "gap": -129357
      },
      {
        "year": 16,
        "buyerNetWorth": 418729,
        "renterNetWorth": 556761,
        "gap": -138032
      },
      {
        "year": 17,
        "buyerNetWorth": 449765,
        "renterNetWorth": 596890,
        "gap": -147125
      },
      {
        "year": 18,
        "buyerNetWorth": 482149,
        "renterNetWorth": 638803,
        "gap": -156654
      },
      {
        "year": 19,
        "buyerNetWorth": 515949,
        "renterNetWorth": 682585,
        "gap": -166636
      },
      {
        "year": 20,
        "buyerNetWorth": 551237,
        "renterNetWorth": 728326,
        "gap": -177090
      },
      {
        "year": 21,
        "buyerNetWorth": 588089,
        "renterNetWorth": 776123,
        "gap": -188033
      },
      {
        "year": 22,
        "buyerNetWorth": 626588,
        "renterNetWorth": 826075,
        "gap": -199486
      },
      {
        "year": 23,
        "buyerNetWorth": 666819,
        "renterNetWorth": 878289,
        "gap": -211469
      },
      {
        "year": 24,
        "buyerNetWorth": 708873,
        "renterNetWorth": 932876,
        "gap": -224003
      },
      {
        "year": 25,
        "buyerNetWorth": 752846,
        "renterNetWorth": 989954,
        "gap": -237109
      },
      {
        "year": 26,
        "buyerNetWorth": 798839,
        "renterNetWorth": 1049648,
        "gap": -250809
      },
      {
        "year": 27,
        "buyerNetWorth": 846962,
        "renterNetWorth": 1112089,
        "gap": -265127
      },
      {
        "year": 28,
        "buyerNetWorth": 897329,
        "renterNetWorth": 1177415,
        "gap": -280086
      },
      {
        "year": 29,
        "buyerNetWorth": 950060,
        "renterNetWorth": 1245771,
        "gap": -295711
      },
      {
        "year": 30,
        "buyerNetWorth": 1005285,
        "renterNetWorth": 1317314,
        "gap": -312029
      }
    ]
  },
  "byAppreciation": [
    {
      "appreciation": 0,
      "breakEvenYears": null
    },
    {
      "appreciation": 2,
      "breakEvenYears": null
    },
    {
      "appreciation": 3,
      "breakEvenYears": null
    },
    {
      "appreciation": 4,
      "breakEvenYears": null
    },
    {
      "appreciation": 5,
      "breakEvenYears": 8.4
    }
  ],
  "byRate": [
    {
      "rate": 4,
      "monthlyPayment": 1683,
      "breakEvenYears": 6.8
    },
    {
      "rate": 5,
      "monthlyPayment": 1892,
      "breakEvenYears": 16.2
    },
    {
      "rate": 5.5,
      "monthlyPayment": 2001,
      "breakEvenYears": null
    },
    {
      "rate": 6,
      "monthlyPayment": 2113,
      "breakEvenYears": null
    },
    {
      "rate": 6.55,
      "monthlyPayment": 2240,
      "breakEvenYears": null
    },
    {
      "rate": 7,
      "monthlyPayment": 2345,
      "breakEvenYears": null
    },
    {
      "rate": 7.5,
      "monthlyPayment": 2465,
      "breakEvenYears": null
    }
  ],
  "byRent": [
    {
      "rent": 1600,
      "breakEvenYears": null
    },
    {
      "rent": 1800,
      "breakEvenYears": null
    },
    {
      "rent": 2100,
      "breakEvenYears": null
    },
    {
      "rent": 2400,
      "breakEvenYears": 17.1
    },
    {
      "rent": 2800,
      "breakEvenYears": 6
    }
  ],
  "matrix": [
    {
      "appreciation": 0,
      "rent": 1600,
      "breakEvenYears": null
    },
    {
      "appreciation": 0,
      "rent": 1800,
      "breakEvenYears": null
    },
    {
      "appreciation": 0,
      "rent": 2100,
      "breakEvenYears": null
    },
    {
      "appreciation": 0,
      "rent": 2400,
      "breakEvenYears": 28.8
    },
    {
      "appreciation": 0,
      "rent": 2800,
      "breakEvenYears": 16.5
    },
    {
      "appreciation": 2,
      "rent": 1600,
      "breakEvenYears": null
    },
    {
      "appreciation": 2,
      "rent": 1800,
      "breakEvenYears": null
    },
    {
      "appreciation": 2,
      "rent": 2100,
      "breakEvenYears": null
    },
    {
      "appreciation": 2,
      "rent": 2400,
      "breakEvenYears": 25
    },
    {
      "appreciation": 2,
      "rent": 2800,
      "breakEvenYears": 9.6
    },
    {
      "appreciation": 3,
      "rent": 1600,
      "breakEvenYears": null
    },
    {
      "appreciation": 3,
      "rent": 1800,
      "breakEvenYears": null
    },
    {
      "appreciation": 3,
      "rent": 2100,
      "breakEvenYears": null
    },
    {
      "appreciation": 3,
      "rent": 2400,
      "breakEvenYears": 17.1
    },
    {
      "appreciation": 3,
      "rent": 2800,
      "breakEvenYears": 6
    },
    {
      "appreciation": 4,
      "rent": 1600,
      "breakEvenYears": null
    },
    {
      "appreciation": 4,
      "rent": 1800,
      "breakEvenYears": null
    },
    {
      "appreciation": 4,
      "rent": 2100,
      "breakEvenYears": null
    },
    {
      "appreciation": 4,
      "rent": 2400,
      "breakEvenYears": 7.8
    },
    {
      "appreciation": 4,
      "rent": 2800,
      "breakEvenYears": 3.9
    },
    {
      "appreciation": 5,
      "rent": 1600,
      "breakEvenYears": null
    },
    {
      "appreciation": 5,
      "rent": 1800,
      "breakEvenYears": null
    },
    {
      "appreciation": 5,
      "rent": 2100,
      "breakEvenYears": 8.4
    },
    {
      "appreciation": 5,
      "rent": 2400,
      "breakEvenYears": 4.5
    },
    {
      "appreciation": 5,
      "rent": 2800,
      "breakEvenYears": 2.9
    }
  ],
  "caveats": [
    "No mortgage-interest or property-tax deduction; after the OBBBA standard deduction most buyers do not itemise.",
    "No capital-gains tax on the renter's portfolio. This and the previous omission push in opposite directions.",
    "Constant annual price and rent growth, which is never how either behaves.",
    "Ignores the value of security of tenure, and the cost of being unable to move."
  ]
}