---
title: How to Build a $30,000 Rehab Budget That Guarantees a 20% Profit on Your First Flip
siteUrl: https://logzly.com/renovationriches
author: renovationriches (Renovation Riches)
date: 2026-06-17T09:55:37.148139
tags: [renovationriches, realestateinvesting, homeflipping]
url: https://logzly.com/renovationriches/how-to-build-a-30-000-rehab-budget-that-guarantees-a-20-profit-on-your-first-flip
---


Walking into a fixer‑upper feels like opening a mystery box—you see the potential, but the numbers can be fuzzy. I’ve been there, and on Renovation Riches I’ve learned that a solid budget is the difference between a win and a “what‑if.” Below is the step‑by‑step plan I use to turn a $30K rehab into a reliable 20% profit on my first flip.

## Know Your Target After‑Repair Value (ARV)  

Before you jot down a single dollar, you need to know what the house will sell for after you’re done. That number is your ARV, and it drives everything else.

**How to find it:**  
1. Look for recent sales (comps) in the same neighborhood—homes that are a  
2. Adjust for differences. If your place has an extra bathroom, add the typical value of a bath in that market (usually $5‑$10K).  
3. Average three to five of those adjusted comps; that’s your ARV.  

For a deeper dive on estimating returns, see how to [calculate the true ROI on a fixer‑upper before you buy](/renovationriches/how-to-calculate-the-true-roi-on-a-fixerupper-before-you-buy).

On my last Austin flip, the comps averaged $210,000, so that became my target resale price.

## Set a Realistic Profit Goal  

A 20% profit means you want to walk away with cash equal to 20% of the ARV. Using the Austin example:

```
Desired profit = $210,000 × 0.20 = $42,000
```

Now subtract what you’ll spend to acquire the house. If you bought it for $130,000 and paid $5,000 in closing costs, you have:

```
$210,000 – $130,000 – $5,000 = $75,000
```

That $75K is the pool for rehab plus profit. Since you need $42K profit, the most you can spend on rehab is $33K. I like to keep a little buffer, so I cap my rehab budget at $30,000. That gives me a cushion for any surprise expenses that pop up.

## Break Down the $30K Budget  

### Core Structural Work (≈ $12,000)  
These are the non‑negotiables that keep the house safe and sellable:  

- Roof repair or replacement  
- Foundation cracks  
- Plumbing leaks  
- Electrical panel upgrade  

Skipping any of these will likely cause inspection failures and force you to drop the price later.

### Cosmetic Updates (≈ $13,000)  
Here’s where you get the biggest visual bang for your buck:  

- Paint all walls a neutral shade (white or light gray) – about $2,500  
- New flooring in high‑traffic rooms – $4,500 ([replacing outdated flooring on a tight timeline](/renovationriches/from-drab-to-dream-replacing-outdated-flooring-on-a-tight-timeline))  
- Kitchen facelift: refaced cabinets, new countertop, basic appliances – $4,000  
- Bathroom refresh: new vanity, faucet, and tile in the shower – $2,000  

Keep the design simple and timeless. Buyers love a clean, move‑in‑ready look more than the latest trend.

### Unexpected Costs (≈ $5,000)  
Even the best inspections miss something. I set aside a 10‑15% reserve for hidden mold, pest removal, or surprise permit fees. Having this money in the budget stops you from scrambling later and keeps the project on track.

## Get Your Numbers in a Simple Spreadsheet  

You don’t need fancy software. A plain Excel or Google Sheet with three columns works fine:

| Category            | Expected Cost | Actual Cost |
|---------------------|---------------|-------------|
| Purchase Price      | $130,000      |             |
| Closing Costs       | $5,000        |             |
| Rehab – Structural  | $12,000       |             |
| Rehab – Cosmetic    | $13,000       |             |
| Unexpected Reserve  | $5,000        |             |
| **Total Outlay**    | $165,000      |             |
| Expected Sale (ARV) | $210,000      |             |
| Desired Profit (20%)| $42,000       |             |

As you spend, fill in the “Actual Cost” column. When the actual stays at or below the expected, you know you’re still on track for that 20% profit.

## Shop Smart, Not Cheap  

When I need cabinets, I hit the nearest wholesale outlet and pick a “good enough” style—saves about $1,500 without looking cheap. For flooring, I order from a regional supplier that gives a 10% discount on bulk orders. The habit I swear by: **compare three vendors before you buy anything**. Even a small price drop adds up across dozens of line items. I always reference a [step‑by‑step renovation checklist that saves thousands](/renovationriches/step-by-step-renovation-checklist-that-saves-5-000-on-your-first-flip) to keep the numbers tight.

## Stick to the Timeline  

Every extra day the house sits on the market eats into your profit. I plan a 45‑day rehab schedule and work backward from the closing date. Breaking it into weekly milestones keeps everyone focused:

- **Week 1:** Demolition, permit approvals  
- **Weeks 2‑3:** Structural repairs  
- **Week 4:** Rough‑in plumbing and electrical  
- **Week 5‑6:** Drywall, painting, flooring  
- **Week 7:** Kitchen and bathroom installations  
- **Week 8:** Final touches, cleaning, staging  

If a task slips, I shift crew hours rather than stretch the calendar. A tight schedule holds labor costs down and protects your margin.

## How I Tested the Formula on My First Flip  

Two years ago I bought a 1,400‑sq‑ft cottage for $128,000. After running the ARV calc, I set a $30,000 rehab cap. I followed the breakdown above, kept a $5,000 contingency, and wrapped up in 42 days. The house sold for $210,000, leaving me $42,000 profit—exactly 20% of the ARV.

The biggest takeaway? **Discipline**. I could have splurged on a high‑end backsplash, but I stuck to the plan. The profit came from staying within the numbers, not from fancy upgrades.

When you walk into a fixer‑upper, remember that the budget is your roadmap. By knowing your ARV, setting a clear profit goal, breaking down costs, and monitoring every dollar, you turn a $30,000 rehab into a reliable cash‑flow machine.  