Use

Tools built for real estate investors.

Practical apps and free web tools for analyzing deals and running properties. Each one does a single job well, works on your phone, and keeps your data on your device.

Self-storage underwriting

Self Storage Calculator

On the App StoreiPhone and iPad

Underwrite a self-storage facility on your iPhone before you make the offer.

Self Storage Calculator investment dashboard showing potential value creation for a sample facility

Self Storage Calculator verdict screen checking a deal against IRR, cash-on-cash, DSCR and yield-on-cost targets

A guided flow through property, unit mix, operations, financing, stabilization, optional expansion, and hold and exit.
NOI today versus stabilized, plus IRR, equity multiple, cash-on-cash, DSCR, debt yield, cap rate and yield on cost.
A verdict against the investment targets you set, with an IRR sensitivity table across exit cap rate and occupancy.

Full details

Private & hard-money lending

Private Lending Deal Desk

Coming sooniPhone

Size private and hard-money loans from the lender’s side.

Private Lending Deal Desk showing the maximum loan and its binding constraint for a sample flip

Private Lending Deal Desk comparing as-is LTV, LTC and LTARV lending limits

Maximum loan from as-is LTV, LTC and LTARV limits, side by side.
The binding constraint, including ties, and an instant check of a requested loan amount.
Rehab holdback, initial advance and borrower purchase equity.

Get notified

Full details

Well & water-system readings

Water System Logbook

On the App StoreiPhone

The daily log for small water systems: record well, treatment and meter readings in a few taps.

Water System Logbook home screen with today’s daily well check round

Water System Logbook entering a round of readings, flagging a value outside its configured range

Scheduled rounds show as due, overdue or completed. Drafts save automatically and past rounds can be backfilled.
Readings for free and total chlorine, pH, turbidity, temperature, meters, flow, pressure, tank level, pump hours and pass/fail checks, plus your own custom readings.
Meter usage calculated from the previous reading, with meter reset and rollover handling.

watersystemlogbook.com

Full details

Free web tools

Run the numbers, then get it in writing.

A free rental arbitrage calculator that runs in your browser, on a phone or a computer, and a free contract template to download. No account or email needed.

Read the rental arbitrage guide

Rental arbitrage underwriting

Rental Arbitrage Calculator

Free in your browserPhone or computer

Test a rental arbitrage deal before you sign the lease: nightly stays, a whole-property sublease or rent by the room.

Monthly and annual cash flow, startup cash, cash-on-cash return and payback measured against your lease term.
Break-even occupancy or rent, plus conservative, base and optimistic scenarios.
No sign-up. Your numbers stay in your browser, and you can print a summary or download a CSV.

Open the calculator

Landlord consent agreement

Rental Arbitrage Contract Template

Free downloadWord and PDF

An editable sample agreement for getting a landlord’s written consent to rental arbitrage under an existing lease.

Schedules for short-term stays, whole-property subleasing and room-by-room subleasing.
A customization checklist and plain-English notes on each section.
Educational sample, not legal advice, and no attorney has reviewed it. Have a licensed attorney in the property’s state adapt it before anyone signs.

Get the template

Licensing exam practice

Real Estate Exam Prep

Free in your browserPhone or computer

Free supplemental practice questions for the Pennsylvania real estate salesperson exam: national principles and Pennsylvania rules, with explanations and saved progress.

A 20-question diagnostic, topic practice and missed-question review, with an explanation and source for every answer.
A standalone practice test and supplemental study aid with original questions, not actual exam questions. It is not licensing education and grants no official credit, prelicensing hours or continuing education hours.
No account or email. Progress saves in your browser when it can.

Start practicing

Connect

Talk the numbers through.

Bring the deal you just ran to the free community on Skool, where investors talk through deals, ask questions and share what is working.

Join the Community

Free to joinHosted on Skool