买房总预算计算
把首付、用户输入税费、中介、装修与预备金分开，显示贷款本金及交割前所需现金。
预填内容仅为演示参数，不是您的实际资料或当前地区费率；计算前请替换。
计算方法与来源
所需现金 = 首付 + 填写的税费中介支出 + 装修 + 预备金；贷款本金 = 总价 − 首付。
方法核对日期：2026-09-08
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{"fields":[{"key":"price","label":["房屋总价","Property price"],"type":"number","value":2000000,"min":1,"max":1000000000,"step":"any"},{"key":"down","label":["首付比例 %","Down payment %"],"type":"number","value":30,"min":0,"max":100,"step":"any"},{"key":"deed","label":["已核实的契税税率 %","Verified deed tax %"],"type":"number","value":1.5,"min":0,"max":100,"step":"any"},{"key":"agency","label":["中介费占房价 %","Agency fee %"],"type":"number","value":1,"min":0,"max":100,"step":"any"},{"key":"other","label":["其他交易费用和税费","Other transaction costs/taxes"],"type":"number","value":10000,"min":0,"max":1000000000,"step":"any"},{"key":"renovation","label":["装修家具预算","Renovation/furnishing"],"type":"number","value":100000,"min":0,"max":1000000000,"step":"any"},{"key":"buffer","label":["现金预备金","Cash reserve"],"type":"number","value":20000,"min":0,"max":1000000000,"step":"any"}],"title":["买房总预算计算","Home Purchase Budget"],"engine":"home-budget","scope":["税率是示例而非政策判断；首套、二套、面积优惠、增值税、个税、地方减免和付款责任均需自行核实后填写。","Rates are examples. Verify first/second-home rules, area relief, other taxes and which party pays."]}