# DoorPrompts

> Free AI prompts and calculators for property managers, landlords, investors and agents. 30 copy-ready prompt templates with {{variables}}, example outputs and tips, plus free client-side calculators with published formulas and assumptions.

All content is free to read. Calculators are educational estimates, not legal or financial advice. Prompts include fair-housing guardrails. A Markdown version of every prompt and calculator is available by adding `.md` (e.g. https://doorprompts.com/prompts/rental-inquiry-reply.md). The full library in one file: https://doorprompts.com/llms-full.txt

## Prompts: Leasing & Tenant Comms

- [Lease Renewal Offer Letter](https://doorprompts.com/prompts/lease-renewal-offer.md): Write a clear, respectful lease renewal offer with the new rent, term options, a brief reason for any increase and a response deadline.
- [Lease-Only Tenant Q&A Assistant (System Prompt)](https://doorprompts.com/prompts/lease-only-tenant-qa.md): A system prompt that turns ChatGPT, Claude or Gemini into a tenant FAQ assistant that answers only from your lease and house rules.
- [Missed-Call Text-Back Template Set](https://doorprompts.com/prompts/missed-call-text-back.md): Generate short, compliant text messages to send when you miss a call from a rental lead or client, with opt-out language and no pressure.
- [Rental Inquiry Reply Writer](https://doorprompts.com/prompts/rental-inquiry-reply.md): Draft a fast, friendly, fair-housing-safe reply to a rental lead using only the facts from your unit sheet. Copy-paste prompt for ChatGPT, Claude or Gemini.
- [Showing Confirmation & No-Show Follow-Up](https://doorprompts.com/prompts/showing-confirmation-followup.md): Create a confirmation, a day-of reminder and a polite no-show follow-up for property showings, in email and SMS versions.
- [Voice-Friendly Reply Rewriter](https://doorprompts.com/prompts/voice-friendly-rewriter.md): Rewrite any written answer so it sounds natural when read aloud on a phone call, voicemail script or voice assistant. No symbols, numbers spelled out.

## Prompts: Listings & Marketing

- [Email Newsletter Layout Brief](https://doorprompts.com/prompts/email-newsletter-brief.md): Turn a listing, market update or announcement into a sectioned email outline with subject lines, preheader, blocks and a clear call to action.
- [Fair-Housing Listing Lint](https://doorprompts.com/prompts/fair-housing-listing-lint.md): Review any rental ad, listing or screening question for fair-housing risk phrases and get neutral rewrites, with an explanation for each flag.
- [Rental Listing & MLS Description Writer](https://doorprompts.com/prompts/rental-listing-writer.md): Write a compelling rental or MLS listing description from verified features, within a character limit, that describes the property and never the people.
- [Social Post Pack from a Listing](https://doorprompts.com/prompts/social-post-pack.md): Turn one listing into five platform-ready social posts for Facebook, Instagram, LinkedIn, X and Nextdoor, with hashtags and a call to action.

## Prompts: Maintenance & Vendors

- [Maintenance Request Triage](https://doorprompts.com/prompts/maintenance-request-triage.md): Triage a tenant maintenance request (text or photo): likely issue, urgency, trade needed, safe troubleshooting steps and a reply to the tenant.
- [Make-Ready / Turnover Scope Builder](https://doorprompts.com/prompts/make-ready-scope.md): Turn move-out notes and photos into a room-by-room turnover scope with tasks, trades, priority and a rough order of operations.
- [Vendor Dispatch Message](https://doorprompts.com/prompts/vendor-dispatch-message.md): Write a clear work order for a vendor: issue, access instructions, tenant contact rules, photos, not-to-exceed amount and completion requirements.
- [Vendor Quote Comparer](https://doorprompts.com/prompts/vendor-quote-comparer.md): Compare 2–5 contractor bids side by side: price, scope, timeline, warranty and gaps, plus a recommendation and questions to ask each vendor.

## Prompts: Leases & Docs

- [Lease Abstract Extractor](https://doorprompts.com/prompts/lease-abstract-extractor.md): Extract key lease terms (dates, rent, deposit, renewal and notice deadlines, fees, responsibilities) into a table or JSON, with red flags flagged.
- [Move-In / Move-Out Inspection Checklist Generator](https://doorprompts.com/prompts/inspection-checklist-generator.md): Generate a room-by-room move-in or move-out inspection checklist tailored to the unit, with condition ratings, photo prompts and sign-off lines.
- [Move-Out Instructions & Deposit Itemization Letter](https://doorprompts.com/prompts/move-out-deposit-letter.md): Draft move-out instructions for a departing tenant and an itemized security deposit disposition letter, with a reminder to check state deadlines.
- [Plain-English Lease Clause Explainer](https://doorprompts.com/prompts/lease-clause-explainer.md): Explain a confusing lease clause in plain English for a tenant or owner, with what it means in practice and what to ask a lawyer about.

## Prompts: Rent, Billing & Collections

- [Invoice Note Writer](https://doorprompts.com/prompts/invoice-note-writer.md): Generate short, professional notes for owner, vendor or tenant invoices based on status: draft, pending, due soon, overdue or paid.
- [Payment Plan Proposal for a Tenant](https://doorprompts.com/prompts/payment-plan-proposal.md): Draft a respectful repayment-plan offer for a tenant behind on rent, with a clear schedule, conditions and a simple way to accept.
- [Rent Reminder & Late Notice Writer](https://doorprompts.com/prompts/rent-reminder-late-notice.md): Write status-aware rent messages (upcoming, due today, past due, paid thank-you) that stay professional, plus a verify-before-you-send checklist.

## Prompts: Investing & Underwriting

- [Deal vs. Buy Box Scorer](https://doorprompts.com/prompts/deal-buy-box-scorer.md): Score a listing or off-market deal against your written buy box: pass/fail on each criterion, an overall score, deal-breakers hit and what to verify.
- [Investor Buy Box Builder](https://doorprompts.com/prompts/buy-box-builder.md): Turn your goals, capital and risk tolerance into a written buy box: markets, property criteria, price range, financing, return minimums and deal-breakers.
- [Rent Comp Summary](https://doorprompts.com/prompts/rent-comp-summary.md): Summarize rental comps you collected into an adjusted rent range, with a recommended asking rent, the reasoning and confidence level.
- [Rental Deal Memo](https://doorprompts.com/prompts/deal-memo.md): Turn raw deal numbers into a one-page investment memo: summary, returns, DSCR, key assumptions, risks and a go/no-go recommendation with conditions.
- [Rental Property Due Diligence Checklist](https://doorprompts.com/prompts/due-diligence-checklist.md): Generate a due-diligence checklist for a rental acquisition: seller documents, inspections, financial checks, title and zoning items, with deadlines.

## Prompts: Brokerage & Agent CRM

- [Call Transcript to CRM Update](https://doorprompts.com/prompts/transcript-to-crm-update.md): Convert a call transcript or voice memo into a structured CRM note: contact details mentioned, needs, timeline, stage, next step and follow-up message.
- [Daily Pipeline Check-In](https://doorprompts.com/prompts/daily-pipeline-checkin.md): Paste your pipeline or task list and get a prioritized daily plan: top 3 must-dos, follow-ups due, stale deals, and drafted check-in messages.
- [Email Thread to Next Actions](https://doorprompts.com/prompts/email-to-next-actions.md): Turn a long email thread into a summary, decisions made, open questions and a next-action list with owners and due dates, plus a suggested reply.
- [Seller Net Sheet Explainer Email](https://doorprompts.com/prompts/seller-net-sheet-email.md): Turn seller net sheet numbers into a clear email to a seller explaining estimated proceeds, each cost line, what could change, and next steps.

## Calculators

- [DSCR Loan Calculator](https://doorprompts.com/calculators/dscr-loan-calculator.md): Free DSCR calculator for rental property purchases. Compute DSCR (rent ÷ PITIA), NOI-based DSCR, cash flow and the max loan at your lender's target ratio.
- [DSCR Cash-Out Refinance Calculator](https://doorprompts.com/calculators/dscr-cash-out-refinance-calculator.md): Estimate cash out, new payment and DSCR on a rental cash-out refinance. Free calculator for BRRRR investors using DSCR loans.
- [Fix and Flip Calculator](https://doorprompts.com/calculators/fix-and-flip-calculator.md): Free fix-and-flip calculator with hard money loan, points, holding and selling costs. See profit, cash needed, ROI, annualized ROI and the 70% rule max offer.
- [Mortgage Note Value Calculator](https://doorprompts.com/calculators/note-value-calculator.md): Calculate what to pay for a seller-financed or private mortgage note at your target yield, including a balloon. See price, discount and remaining cash flow.
- [Seller Net Proceeds Calculator](https://doorprompts.com/calculators/seller-net-proceeds-calculator.md): Estimate what you'll walk away with when you sell a home: commissions, concessions, closing costs, transfer tax and mortgage payoff. Free seller net sheet.
- [FHA Loan Calculator](https://doorprompts.com/calculators/fha-loan-calculator.md): FHA mortgage calculator with upfront and annual MIP. Estimate your monthly payment, total loan, MIP duration and cash to close. Rates last reviewed Oct 2026.
- [Conventional Mortgage & PMI Calculator](https://doorprompts.com/calculators/conventional-mortgage-pmi-calculator.md): Calculate a conventional mortgage payment with PMI, plus when you can request PMI removal (80% LTV) and when it cancels automatically (78% LTV).
- [Balloon Mortgage Calculator](https://doorprompts.com/calculators/balloon-mortgage-calculator.md): Calculate the monthly payment and balloon payment on a balloon mortgage or seller-financed note, such as a 30-year amortization due in 5 years.
- [Rent Late Fee Calculator](https://doorprompts.com/calculators/late-fee-calculator.md): Calculate a rent late fee from your lease terms: flat or percentage fee, grace period, daily fees and caps. Math only; check your state and local limits.
- [Prorated Rent Calculator](https://doorprompts.com/calculators/rent-proration-calculator.md): Calculate prorated rent for a mid-month move-in or move-out using actual days in the month, a 30-day month or a 365-day year.
- [Property Management Fee Calculator](https://doorprompts.com/calculators/property-management-fee-calculator.md): Calculate the true cost of property management: monthly fees, leasing and renewal fees, maintenance markup, effective fee rate and owner net income.
- [Security Deposit Return Deadline by State](https://doorprompts.com/calculators/security-deposit-return-deadline.md): A state-by-state security deposit return deadline lookup is coming soon to DoorPrompts after legal review. Get notified when it launches.

## Premium

- [Leasing Inbox Agent Pack](https://doorprompts.com/pack/leasing-inbox-agent/): paid pack ($29) of 23 leasing-inbox prompts and workflows with a fair housing self-test. Three free samples on the page.

## Optional

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