BRRRR Method Calculator (Real Estate)

BRRRR Method Strategy Guide

What's the key thing to understand about The BRRRR Method Explained?

BRRRR = Buy, Rehab, Rent, Refinance, Repeat. The strategy popularized by Brandon Turner and BiggerPockets. Goal: buy distressed property below market, renovate to force appreciation, rent it out, then cash-out refinance to recover most/all of your cash, and use that cash to buy the next property. Done well, you can build a rental portfolio with the same initial capital deployed many times. The math: buy at 70-75% of After Repair Value (ARV) minus rehab cost. After rehab, refinance at 75% loan-to-value of the new, higher appraised value, pulling out most or all of the original cash invested to redeploy into the next property.

What should I know about The 70% Rule?

Classic BRRRR formula: Max Purchase Price = (ARV × 0.70) - Rehab Cost. Example: ARV $200,000, rehab $30,000. Max purchase = $200,000 × 0.70 - $30,000 = $110,000. Buying at $110,000 means $110,000 + $30,000 = $140,000 all-in for a property worth $200,000 — 70% LTV. At 75% cash-out refi, you get $150,000 back, recovering all $140,000 plus $10,000 in your pocket. The 70% buffer covers: closing costs (both buy and refi), holding costs during rehab, vacancy during lease-up, and small ARV miss. In hot, competitive markets, some investors stretch this rule to 75-80%, accepting a thinner margin of safety in exchange for being able to compete for deals at all.

What should I know about Where BRRRR Fails?

Common BRRRR disasters: (1) ARV overestimation — actual appraisal comes in 10-20% below your projection. Refi loan smaller than expected, cash stuck. (2) Rehab cost overruns — bid 30k, actual 50k. Eats your profit margin. (3) Holding too long — every month of rehab = $1,500+ in interest, taxes, utilities, insurance. (4) Bad rental market — lease-up takes 3 months instead of 3 weeks. (5) Refi rates jumped — 5% rate when modeled becomes 8% rate at refi, payment 50%+ higher, cash flow negative.

What should I know about Hard Money to Conventional — The Transition?

Most BRRRR deals use short-term hard money / private money for purchase + rehab. Typical hard money: 10-13% interest, 2-4 points origination, 12-month max term. Designed for quick fix-and-flip OR refinance into conventional. The seasoning period: conventional cash-out refi typically requires 6-12 months of ownership (Fannie/Freddie 'delayed financing exception' allows refi up to original cost without seasoning, but cap is purchase price + closing costs, not ARV). Use Fannie Mae's HomeStyle Renovation loan as an alternative route that combines purchase and rehab financing into a single conventional loan from the outset, avoiding the hard-money-then-refinance sequence entirely.

Breaking Down the Five Steps: Buy, Rehab, Rent, Refinance, Repeat

BRRRR is a sequential real estate strategy: Buy a property below market value, typically one needing work; Rehab it to increase its value and make it rentable; Rent it out to a tenant generating cash flow; Refinance based on the new, post-rehab appraised value rather than the original purchase price, pulling cash back out; and Repeat the process using that recovered cash on the next property. The strategy's core mechanic is the gap it creates between what you spend (purchase price plus rehab cost) and what the property appraises for once renovated — that gap, accessed through a cash-out refinance, is what lets an investor recycle the same initial capital into multiple properties rather than needing fresh savings for every purchase.

Why the Refinance Step Is Where BRRRR Deals Succeed or Fail

The entire strategy hinges on the refinance appraisal coming in high enough to return most or all of the investor's original cash, typically through a cash-out refinance capped at a loan-to-value ratio set by the lender, commonly around 70-75% of appraised value. If the post-rehab appraisal comes in lower than projected — due to a soft comparable sales market, an overly optimistic rehab budget, or an appraiser who doesn't fully credit the improvements made — the investor is left with more cash trapped in the deal than planned, which can stall the "repeat" step entirely. For this reason, experienced BRRRR investors build in a conservative appraisal buffer and lean on comparable sales data before committing to a rehab budget, rather than assuming the renovation will unlock its full theoretical value increase.

Seasoning Periods: Why Lenders Make You Wait Before a Cash-Out Refinance

Most lenders impose a "seasoning period," a minimum amount of time an investor must own a property before refinancing it based on its new, improved value rather than the original purchase price, and this requirement directly affects how quickly the "refinance" step of BRRRR can actually happen. Conventional lenders commonly require six months of ownership before a cash-out refinance using the after-repair value, though some portfolio and specialty lenders offer shorter seasoning periods, sometimes immediately or at three months, typically at a cost of a slightly higher rate or stricter terms in exchange for the faster timeline. Until the seasoning period is met, an investor is generally restricted to refinancing based on the original purchase price rather than the new, renovated value, which defeats much of the purpose of the refinance step if the goal is pulling out enough capital to fund the next deal. This is why many BRRRR investors use short-term hard money or private financing specifically to bridge the rehab period, since those lenders don't impose the same seasoning requirements that conventional mortgage lenders do, before transitioning to a conventional refinance once the seasoning clock has run its course and the property has a documented higher value to refinance against.

Worked Example: Running the Numbers on a Single BRRRR Deal

Say an investor buys a distressed duplex for $140,000 cash-equivalent (hard money plus a down payment), spends $35,000 on rehab, and the all-in cost is $175,000. After renovation, a licensed appraiser values the property at $230,000 based on comparable sales. A cash-out refinance lender willing to go to 75% of appraised value supports a new loan of $172,500. Subtracting the $172,500 refinance payoff from the $175,000 total invested leaves only $2,500 of the investor's original capital still in the deal — effectively the whole $35,000 rehab budget and most of the purchase price has been recycled. The new mortgage payment is then covered by rent: if the duplex rents for $2,100 a month combined and the new loan at a typical long-term investor rate carries a monthly principal-and-interest payment of roughly $1,050, plus $350 for taxes, insurance and a vacancy/maintenance reserve, the deal cash flows about $700 a month before accounting for property management. The number that makes or breaks this example is the spread between the $230,000 appraisal and the $175,000 all-in cost. Shrink that spread — by overpaying at purchase, overspending on rehab, or missing the after-repair value estimate — and the refinance proceeds fall short of returning enough capital to repeat the cycle quickly.

Why Appraisals, Not Purchase Price, Decide Whether BRRRR Works

Every other number in a BRRRR deal is somewhat within the investor's control: the purchase price is negotiated, the rehab budget is planned and can be managed tightly, and the rental income can be checked against comparable listings before closing. The after-repair value is the one number an investor can estimate but never fully control, because it is set by an independent appraiser using the lender's own comparable sales criteria — and appraisers are often conservative, especially on properties that stand out from the immediate neighbourhood (an unusually large renovation in a street of modest homes, for instance, may not appraise at full value no matter how good the finish).

Because of this, experienced BRRRR investors usually build in a buffer — targeting an ARV at least 10-15% above their total all-in cost rather than the bare minimum — so that a slightly conservative appraisal still frees up enough cash to fund the next purchase. Pulling two or three independent comparable sales before making an offer, rather than relying only on a real estate agent's estimate, reduces the risk of a nasty surprise at refinance time.