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The Audit-Proof REPS Log

The contemporaneous hours log that decides REPS cases, plus the seven mistakes that lose them. Built for doctors claiming Real Estate Professional Status.

Read this first. We are physicians and investors, not accountants, attorneys, or financial advisors. This is education, not tax advice. Everything here is meant to make you a sharper client of your own CPA. Run your specific situation past them before you file.

Most doctors ask us the same thing about REPS: "What are my odds of getting audited?"

Wrong question.

The right one: if you get audited, do you survive it?

The odds question feels safer, so it's the one people ask. It's also the one that doesn't protect you. You can't control whether your return gets pulled. You can control whether your claim holds up when it does.

The pattern is not complicated. People who lose REPS cases almost always lose the same way. Not because they cheated. Because they had no contemporaneous record, and a claim you can't back with a real, kept-as-you-went log is a claim the examiner gets to disallow. The tax court has a word for the log that saves you: contemporaneous. Written as you went, not rebuilt from memory later.

REPS is a real, legal, powerful benefit. It is not a loophole and it is not magic. Toilets exist. Audits exist. The doctors who keep their deductions are the ones who wrote it down as they went.

The Three Tests, Plainly

To claim Real Estate Professional Status, you have to clear all three. There is no partial credit.

1. The 750-hour test. You spend more than 750 hours in the year on real estate activities you're involved in.

2. The more-than-half test. You spend more time on real estate than on every other trade or business combined, including your clinical work.

3. Material participation, per property. You materially participate in each rental, or you file a grouping election that combines your properties so you can meet the participation test across the whole portfolio instead of one door at a time.

The hard truth nobody selling you a course wants to say out loud: if you work full time as a clinician, you cannot pass test #2. Full stop. A 40-hour clinical week is over 2,000 hours a year. You would need more than that in real estate, on top of your medical career, in the same twelve months. The math does not work. This is exactly why the spouse strategy exists. One spouse steps back from full-time clinical work and qualifies for REPS while the other keeps the W-2 income. If a full-time-working doctor claims REPS on their own hours, that is not a strategy. That is the first thing the examiner unwinds.

The 7 Mistakes That Lose REPS Audits

Every one of these is a real pattern that has cost real people their deductions. None of them require bad intent. They just require getting sloppy about the one thing that protects you.

Mistake 01

Reconstructing your hours in March

The mistakeYou get to tax time and rebuild the year from memory, guessing at calendar entries and rounding up.
Why auditors target itA log built after the fact leaves a trail that says so, or leaves no trail at all. Courts have thrown out ballpark estimates and after-the-event calendars as not credible. The whole standard is that word: contemporaneous.
The fixLog the same week you do the work. A rough note written Tuesday beats a perfect spreadsheet built in March.
Mistake 02

Counting investor activities as participation

The mistakeLogging time spent reading market news, browsing listings for fun, and reviewing your monthly statements.
Why auditors target itThe rules specifically carve out investor-type activities. Watching your portfolio is not running it. Passive monitoring is the first line an examiner strikes, and once they strike one padded category they doubt the rest.
The fixLog operating work you actually did: showings, repairs, tenant screening, vendor calls, the bookkeeping you personally handled. Doing, not watching.
Mistake 03

Padding the log with commute and travel debates

The mistakeStacking long drives to and from properties as participation hours, then arguing about whether they should count.
Why auditors target itTravel time is contested and easy to inflate, so it's exactly where examiners look for padding. A log full of three-hour "drive to property" entries reads as a number someone stretched to hit 750.
The fixLog the work done at the property, not the drive to it. Never let your 750 depend on windshield time.
Mistake 04

"I was on call" hours with nothing behind them

The mistakeClaiming hours because you were available or on call for a tenant issue, with no activity to show for it.
Why auditors target itBeing reachable is not participating. Material participation counts time you worked, not time you were theoretically ready to. An "on call, 4 hrs" entry with no task attached is a gift to an examiner.
The fixLog the call you actually took and what you did about it, with the timestamp. A handled problem is an hour. Availability is not.
Mistake 05

Personal-use nights poisoning your STR claim

The mistakeUsing your short-term rental for family stays, then claiming full material participation on it anyway.
Why auditors target itPersonal-use nights can flip a short-term rental out of the treatment you think it has and taint the participation claim. It's a bright line, and it's one of the first things checked on any STR.
The fixKeep personal use at zero, or track every single night and know your limit before you book the trip.
Mistake 06

Flipping an STR to long-term just to change the tax treatment

The mistakeRunning a property short-term for the tax benefit one year, then switching it to a long-term lease the next purely to change how it's treated.
Why auditors target itSubstance over form. If the switch has no real business purpose beyond the tax result, the IRS can disregard it. A change that only ever moves to chase a deduction is precisely the shape they look for.
The fixLet the business drive the decision, not the deduction. If you change strategy, have a genuine operating reason and write it down.
Mistake 07

Claiming hours the ownership structure doesn't support

The mistakeThe spouse doing the real estate work claims REPS, but the properties are titled or structured so that material participation doesn't actually sit in that spouse's hands.
Why auditors target itThe hours have to line up with who materially participates and how the entity is built. A mismatch between who logged the work and who the ownership documents say runs the property is an easy disallowance.
The fixMake the ownership and entity structure match reality before you file. If the qualifying spouse runs the properties, the paperwork should say so. This one is a conversation for your CPA and attorney, not a spreadsheet fix.

The Log Itself

This is the whole tool. Six columns, one row every time you do real estate work. Fill it in the same week, and by December you have the contemporaneous record that turns an audit from a threat into a paperwork exercise.

Date Property Category What you did Hours Evidence
2026-03-04 412 Pine Ave, Spokane Acquisition Toured the property, walked all five units with the agent 2.5 Photos + agent email 3/4
2026-03-09 412 Pine Ave, Spokane Acquisition Read the inspection report, call with lender on financing terms 1.75 Inspection PDF + call log
2026-04-02 88 Maple Ct, Dallas (STR) Operations Built the cleaning schedule, texted three vendors for quotes 2.0 Vendor texts + booking calendar
2026-04-18 88 Maple Ct, Dallas (STR) Management Screened a tenant application, ran the background check, signed lease 3.0 Signed lease + screening report
2026-05-06 Portfolio Education (limited) Course module on material participation 1.0 Completion receipt (see note)
On that last row: education hours are the shaky ones. Learning-the-ropes time generally does not count toward your 750, and examiners routinely disallow it. Track it if you like, keep it in its own "limited" category, and never lean on it to clear the threshold. Your real hours come from operating the properties.
↓ Download the CSV template

Four Rules For Keeping It

The template is easy. Keeping it honestly is the whole game. Four rules carry it.

Log as you go, not in March. The single rule that wins cases. A note written the day you did the work is contemporaneous. A number rebuilt at tax time is a guess an examiner gets to reject.

Specific beats generic. "Screened tenant, ran background check, signed lease" beats "worked on rental." The specific entry sounds like a person who was there. The generic one sounds like a placeholder.

When in doubt, don't count it. A smaller number you can defend beats a bigger one you can't. Every padded hour puts your real hours under suspicion too.

Pair every big entry with evidence. Email, photo, invoice, signed document. The entry says what you did. The evidence proves you did it.

None of this is hard. It's just a habit, kept one week at a time. Start the log the day you start looking at your first property, and by the time anyone asks, you'll already have the answer. Your future self will thank you.

— Leti & Kenji

Whenever you're ready, 3 ways we can help

  1. Curious what real estate could do to your tax bill? Run the REPS Savings Estimator. Two minutes, and you'll have a number. Run it →
  2. Not sure where you'd fit this into an already-full life? Take the Make Medicine Optional quiz and see your fastest path. Take the quiz → VERIFY existing quiz URL
  3. Want to talk it through with a real person? Reply "TALK" to any of our emails and someone on our team (a real one, not a bot) will reach out.

Semi-Retired MD provides education, not tax, legal, or investment advice. Run everything here past your own licensed professionals. Draft prepared 2026-07-06 for internal review; all numbers marked VERIFY must be confirmed before publication.