If you hold a license, you already have the two skills that take investors years to build: you can pull real comps, and you know your market block by block. What kills most agents' first deals isn't skill. It's borrowed shortcut math.
After-repair value is just a CMA with discipline. The difference between an agent's casual comp pull and an underwriter's ARV is the rules you refuse to bend:
If you can't defend your ARV to a skeptical cash buyer line by line, you don't have an ARV. You have a hope.
Every investing forum will hand you the 70% rule: pay no more than 70% of ARV minus repairs. It exists because it's easy to remember, and it survives because on a mid-priced house it's often roughly right. But "roughly right on mid-priced houses" is a dangerous thing to memorize, because the rule pretends your costs scale with price. They don't.
Your real costs on a flip come in two kinds: costs that scale with price (agent commissions, title policy, some closing items) and costs that mostly don't (utilities, insurance, lawn crews, loan minimums, the two extra months the permit took). On a cheap house, the fixed costs eat a huge share of that 30% cushion. On an expensive house, the 30% cushion is far more than you need — so you'll offer low and lose every deal to a sharper buyer.
Here's a DFW-shaped example. Say the ARV is three hundred thousand dollars and the house needs fifty-five thousand in work.
| Line | Amount | Note |
|---|---|---|
| ARV | $300,000 | Defensible, comp-by-comp |
| Repairs | −$55,000 | Scoped, not guessed — then add 10% contingency |
| Selling costs | −$24,000 | ~8% of ARV: commissions, title, concessions |
| Holding costs | −$9,000 | 6 months: taxes, insurance, utilities, money cost |
| Minimum profit | −$35,000 | Why you're doing this at all |
| Maximum offer | $177,000 | What the deal can actually pay |
Walk it in words: start with what the finished house sells for, subtract what it costs to fix, subtract what it costs to sell, subtract what it costs to hold, subtract the profit that makes the risk worth taking — and whatever is left is the most you can pay. Every line is a real number you can check, which means every line is a number you can defend to a lender, a partner, or a seller at the kitchen table.
Notice the 70% rule on this same house says 70% of three hundred thousand minus fifty-five: an offer of one hundred fifty-five thousand dollars. Twenty-two thousand dollars below what the deal actually supports. On this house, the shortcut doesn't protect you — it prices you out of a deal a sharper buyer happily takes. Flip the price point down to a one hundred fifty thousand dollar ARV and the shortcut fails in the other direction: the "cushion" it leaves won't cover fixed costs plus a profit worth having. The rule isn't conservative or aggressive. It's just blind.
Agents sometimes worry the license is a liability in investing. It's the opposite — if you use it right. You disclose you're licensed and buying as a principal, you put every material fact in writing, and in exchange you get MLS-grade data, contract fluency, and a brokerage behind you. The unlicensed investor is guessing at comps from a subscription tool. You're reading closed sales in real time. That's the whole game in acquisitions: whoever has the truest number wins — in both directions. It also tells you when to walk, and when the seller is better served by a listing. Being able to offer both, honestly, is what makes an investor-agent hard to compete with.
Myers agents underwrite live deal flow every week, next to producing investors.
All figures are illustrative underwriting examples, not offers, appraisals, or projections. Real numbers vary by property and market. This is general information, not investment advice.