Flip a House flip house budget worksheet: Setup Guide - Costs

Flip a House flip house budget worksheet: Setup Guide

Build a practical flip house budget worksheet for purchase costs, rehab, holding expenses, selling costs, profit, and weekly tracking.

2026-09-22
Flip a House Wiki Team
Quick Guide
  • Primary keyword: Use a flip house budget worksheet to organize every project cost.
  • Core formula: Estimate resale value, costs, contingency, and target profit before making an offer.
  • Best setup: Keep one worksheet per property with separate budget and actual-cost columns.
  • Tracking habit: Update transactions weekly instead of reconstructing expenses at closing.
  • Risk control: Reconcile receipts, invoices, payment methods, and funding costs regularly.

Flip a House flip house budget worksheet Basics

A flip house budget worksheet is a planning and tracking tool for a single property. It should show what you expect to spend, what you actually spend, and how the changes affect projected profit. Keep each property separate so purchase costs, rehab payments, holding expenses, and sale costs do not blend together.

The worksheet should support two decisions: whether the deal works before an offer, and whether the project remains on budget after work begins. A simple spreadsheet is often enough when the categories are clear and the entries are updated consistently.

Deal Analysis

Estimate purchase price, renovation costs, financing, resale value, selling expenses, and target profit before making an offer.

Project Control

Compare the approved budget with invoices, checks, card charges, and completed work throughout the renovation.

Final Reporting

Summarize total investment, sale proceeds, closing costs, and realized profit for your records and tax professional.

Worksheet AreaMain PurposeTypical Entries
AcquisitionMeasure the purchase commitmentPrice, inspection, title, lender fees
RehabControl the renovation budgetLabor, materials, permits, contingency
HoldingTrack time-related costsInterest, insurance, utilities, taxes
DispositionEstimate the sale expenseAgent fees, repairs, concessions, closing costs
SummaryReview the deal resultTotal cost, sale price, profit, margin
Start With One Property

Create one file or tab for one address. Combining several projects in one undifferentiated list makes it harder to identify overruns and reconcile payments.

Build the Worksheet Step by Step

Use a structure that is easy to update from a phone, shared drive, or desktop spreadsheet. The goal is not a complicated model; the goal is a reliable record that another person can understand.

1

Create the Property Header

Add the property address or project name, acquisition date, planned completion date, expected listing date, and the person responsible for updates. Use a unique project label if multiple properties are active.

2

Add Budget Categories

Separate acquisition, rehab, holding, financing, selling, and administrative costs. Add a contingency line rather than hiding extra money inside another category.

3

Record Each Transaction

Enter the date, vendor, description, amount, payment method, invoice or receipt reference, and whether the amount is paid. One line per transaction keeps the audit trail readable.

4

Compare Budget to Actual

Add budget, committed, paid, and remaining columns. Review differences by category and investigate any material variance before approving more work.

DateVendorCategoryDescriptionAmountStatus
2026-09-04General contractorRehabContract deposit$10,000Paid
2026-09-05Materials supplierRehabTile purchase$300Paid
2026-09-12LenderFinancingInterest payment$1,250Paid
2026-09-18Utility providerHoldingMonthly service$180Scheduled

Keep the transaction log factual. “Kitchen work” is less useful than “cabinet installation, phase one.” Clear descriptions help you identify duplicate payments, missing receipts, and costs that belong in another project.

Do Not Hide Commitments

A signed contractor agreement or approved purchase order may not be paid yet, but it still affects the project forecast. Track committed costs separately from paid costs.

Calculate the Maximum Offer and Profit

Before making an offer, use conservative assumptions. The worksheet should show the relationship between expected resale value and every cost required to reach that sale. A higher resale estimate does not automatically justify a higher purchase price.

A practical maximum-offer calculation is:

Estimated resale value − purchase costs − rehab budget − holding costs − selling costs − desired profit = maximum allowable offer

The formula is only as useful as the assumptions behind it. Review recent comparable sales, verify the scope of work, estimate the project timeline, and include financing charges that could change if construction takes longer.

Calculation ItemExample Planning MethodReview Question
Estimated resale valueUse supportable comparable salesIs the finished condition realistic for the neighborhood?
Purchase costsAdd price and acquisition feesAre inspection, title, recording, and lender charges included?
Rehab budgetPrice labor and materials by scopeAre permits, disposal, and specialty trades included?
ContingencyReserve a percentage of rehabWhat happens if hidden damage is discovered?
Holding costsEstimate time-based expensesDoes the budget survive a delayed sale or permit?
Selling costsInclude commissions and closing itemsAre concessions, repairs, and staging considered?
Desired profitSet the minimum acceptable resultDoes the return justify the project risk?

Base Case

Uses the expected purchase price, scope, timeline, and resale value. This is the main decision scenario.

Conservative Case

Uses a lower resale value, higher rehab cost, and longer hold period to test downside exposure.

Upside Case

Shows what improved pricing or a faster project could produce, but should not be required for the deal to work.

Approve the Deal on the Base Case

The upside scenario is useful for context, but the purchase decision should be supported by assumptions you can reasonably defend.

Track Actual Costs and Prevent Budget Drift

The strongest worksheet is updated during the project, not rebuilt after the renovation. Set a recurring review time in 2026 and process every receipt, invoice, check, and card charge during that review.

Use separate columns for budget, committed, paid, and variance. A category can appear under budget in paid costs while already exceeding the plan through approved commitments. Reviewing both views gives a more accurate forecast.

ControlWhat to CheckRecommended Frequency
Receipt matchingEvery transaction has supporting documentationWeekly
Payment reviewAmount, vendor, project, and method are correctWeekly
Category varianceActual and committed costs versus budgetWeekly
Contractor progressPayments match completed workAt each draw
Forecast updateRemaining work and revised completion dateEvery two weeks
Bookkeeping reconciliationWorksheet agrees with bank or card recordsWeekly or biweekly

Weekly Budget Review:

  • Enter every new payment, invoice, and receipt
  • Match transactions to the correct property and category
  • Update committed costs and remaining budget
  • Review rehab variances and pending change orders
  • Reconcile the worksheet with bank and card records

Avoid giving broad spreadsheet access to people who do not need financial account information. A shared project worksheet can let the team record job costs while limiting access to the main accounting system. Establish who enters transactions, who verifies them, and who approves changes to the budget.

Watch the Small Charges

Repeated material purchases, delivery fees, permit charges, and card transactions can materially change a project total. Small entries still deserve a category and a receipt reference.

FAQ and Final Review

A worksheet cannot replace due diligence, contractor oversight, lender terms, or professional accounting advice. It can make assumptions visible and give you a consistent method for reviewing the project before more money is committed.

Final Review AreaGreen Light Question
ScopeIs the renovation list specific enough to price?
TimelineDoes the holding budget cover delays?
FundingAre interest, points, and draw costs included?
ExitIs the resale estimate supported by the finished scope?
ReportingCan every major cost be traced to documentation?

Q: What should a flip house budget worksheet include?

Include property details, purchase costs, rehab categories, contingency, financing, holding expenses, selling costs, projected resale value, desired profit, and a transaction log for actual payments.

Q: Should I use one worksheet for multiple properties?

Use a separate worksheet or clearly separated project tab for each property. This keeps costs, receipts, contractor payments, and profit calculations tied to the correct deal.

Q: How often should I update the worksheet?

Update it at least weekly. Enter transactions while receipts and invoices are available, then compare budget, committed, and paid amounts before approving additional work.

Q: What is the most important number before making an offer?

The maximum allowable offer is a key decision number, but it depends on realistic resale value, complete project costs, financing, holding time, selling expenses, contingency, and desired profit.

Final Checklist

A useful worksheet is simple enough to maintain, detailed enough to audit, and current enough to guide the next project decision. Review the numbers before signing contracts, funding change orders, or listing the property.