Weekly Ramble: Step-by-Step Guide to Underwriting Profitable Fix and Flips in Any Market

In this new solo series of Burning the Ships, I’m shifting from weekly rambles to tactical deep dives and today we’re kicking off with how to underwrite a single-family fix and flip deal.I walk through the full process step by step: from defining your goals, to calculating ARV (After Repair Value), to backing into your Max Allowable Offer. We break down the often-overlooked holding costs, closing costs, and realtor commissions that can kill your margins if you don’t account for them.But this episode isn’t just about math, it’s about discipline. Because the hardest part of underwriting isn’t the numbers, it’s sticking to them when your emotions want the deal to work. Whether you’re an investor or just someone looking to sharpen your mindset, this episode will give you a framework for discipline that applies far beyond real estate.Key Talking Points of the Episode00:00 Introduction02:26 Mindset nugget preview: discipline is the glue to success03:33 JJ’s Joke of the Week05:13 Why principles of underwriting haven’t changed in decades06:46 Step 1: Define your goal—profit target and purpose07:50 Step 2: Force appreciation—renovating to increase value09:20 ARV (After Repair Value): why it’s the cornerstone metric10:23 How to calculate the MAO (Maximum Allowable Offer)11:38 Back-of-the-napkin math formula and following the 70% rule13:13 Understanding closing costs on front and back end14:37 Holding costs: utilities, insurance, taxes, lawn care17:22 Realtor commissions: 5–6% adds up fast19:10 Why conservative underwriting creates buffer for unknowns22:09 Running comps: Zillow, Redfin, Realtor.com, or CMAs24:15 Why you need to get extra conservative with rural or unique properties27:33 Rehab estimates: why you need a contractor’s expertise31:16 Common mistakes: overestimating ARV & underestimating repairs33:07 Full deal example: breaking down numbers on a Newport News property38:11 Transition to mindset: discipline in underwriting39:41 Discipline means sticking to your Max Allowable Offer42:43 Why motivation fades but discipline sustains long-term success44:41 How discipline builds reliability, trust, and reputation49:21 Where can you add value today?Quotables“The hardest part of underwriting isn’t the math—it’s the discipline to stick to it.”“Motivation is fleeting. Discipline is what sustains success over time.”“If you’re not disciplined in underwriting, emotions will push you into bad deals.”Links608B Capitalhttps://608bcapital.com