How Brokers Can Help Investors Plan Around Fix & Flip Holding Costs

The profit margins on home flips diminish gradually, day by day, through costs that most investors underestimate until it's too late. According to ATTOM Data, the average gross ROI on house flips dropped to 25.1% in Q2 2025, and median purchase costs reached all-time highs of $259,700, leaving less room for mistakes that can end up being expensive. The single most controllable variable between a profitable flip and a costly one is holding time.

Discussing holding expenses is one of the most practical conversations you can have with active clients and it immediately impacts the profitability of their deals.

Why Holding Costs Matter More in Today's Market

In a market that might extend renovation timeframes for a number of reasons, from labor shortages to permit delays, even a few extra weeks can make a big difference in profitability.

For brokers, understanding holding costs for fix-and-flip investors are important because they affect profitability, cash flow, loan selection, and overall project risk.

The Major Holding Costs Investors Need to Budget For

Financing Costs

Financing can come with various costs which may include:

• Interest payments
• Loan servicing fees
• Extension fees if the project exceeds the original loan term
• Origination points amortized across the project

For larger projects, a delay of a few months can significantly increase the cost of borrowing.

Property Taxes

Property taxes are paid whether the property is making money or not. They vary from region to region, but are estimated at $250 a month on a $300,000 property with a 1% tax rate increase every year.

Insurance

Vacant property slated to be renovated may also require special coverage, such as builder’s risk insurance.

Depending on the property and region, insurance fees may be a substantial part of monthly carrying costs and are generally $100 to $300 per month.

Utilities

Contractors require electricity, water, and heat in frigid climates. These can be up to $200-$500 per month, depending on the size of the property & time of year.

HOA Fees and Property Maintenance

Properties located within homeowner associations may carry monthly dues and transfer fees.

Investors should also budget for:

• Lawn care
• Snow removal
• Pest control
• General property upkeep

Once the house is on the market, maintaining curb appeal becomes extremely vital.

How Brokers Can Help Investors Calculate Holding Costs

A simple approach is:

Monthly Holding Costs × Expected Project Duration = Estimated Total Holding Costs

For example:

• Financing Costs: $2,000/month
• Taxes: $300/month
• Insurance: $150/month
• Utilities: $200/month
• Maintenance: $100/month

Total Monthly Holding Costs = $2,750

On a six-month project:

$2,750 × 6 = $16,500

This estimate helps investors understand their real capital requirements and whether forecasted returns still make sense when factoring in the costs of ownership.

Build Contingencies Into Every Project

Unexpected issues can quickly extend timelines. Watch out for:

• Permit delays
• Contractor scheduling challenges
• Inspection requirements
• Material shortages
• Unforeseen repairs

Many investors add a 25% to 50% time cushion to their predictions to account for these risks.

Financing Structure Can Influence Holding Costs

When discussing loan options with clients, consider factors such as:

Interest-Only Payment Structures

Interest-only loans can lower the monthly carrying charge and allow for more cash to be available throughout renovations.

Loan Term Flexibility

Cosmetic rehabs may require less time to complete than major upgrades.

Selecting a loan term that matches the real project timeline can save investors from higher costs or prepayment penalties.

Speed of Funding

Additional carrying expenses are incurred during through delays before the start of renovation.

Borrowers can partner with seasoned lenders that understand fix and flip transactions, allowing them to close fast and start making progress immediately.

Help Investors Protect Their Exit Strategy

As part of your advisory role, encourage investors to:

• Understand their monthly burn rate
• Develop realistic ARV projections
• Monitor local market conditions
• Price properties competitively
• Prepare backup exit strategies

Sometimes, pivoting to a rental strategy through refinancing is a better idea than waiting longer to sell. Having contingency plans can help investors manage risk more effectively and safeguard their returns.

Partner With RCN Capital

Helping investors succeed means understanding project economics, managing risk, and structuring loans that support the realities of today’s market.

RCN Capital offers financing solutions designed for real estate investors, such as fix and flip loans, rental financing, and new construction programs. To learn more about how working with RCN Capital can help you better serve your investment clients, visit our Broker Referral page.

Frequently Asked Questions

Q: What are holding costs on a fix-and-flip property?
A: Generally, holding costs include loan interest, property taxes, insurance, utilities, HOA fees (if applicable), and basic maintenance.

Q: How does the loan structure affect fix and flip holding costs?
A: Loan solutions that only charge interest on the drawn balances, not the entire committed loan amount, can dramatically cut the monthly interest payments during the reconstruction phase. Interest-only payment schemes also help conserve cash flow by postponing principal repayment until the project is finished.

Q: What's the biggest holding cost mistake fix and flip investors make?
A: Most investors prepare for a best-case scenario schedule and don’t anticipate delays. Projects routinely run beyond first estimates due to permit procedures, contractor scheduling, material lead times, and inspection requirements. From the beginning, you include a time contingency into the budget, and you prevent the situation.

Q: How can brokers help investors manage holding costs?
A: Brokers can add value by helping investors calculate their full monthly burn rate before acquisition, modeling holding costs on expected as well as extended timelines, recommending loan structures that minimize carry costs, and establishing contingency exit strategies — including a rental or DSCR refinance path — should the sale not close on schedule.