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Free guides, interactive tools, and deep dives for DC, Maryland & Virginia homebuyers and agents. Search everything, or browse by category.

Interactive Tools

Run your own numbers.

Calculators and analyzers that show you the math for your specific situation, not a generic example.

Interactive Calculator

Quick Qual & DTI Calculator

Enter your income, debts, and target payment to instantly see if you qualify. Toggle debts on and off to see how payoffs change your purchasing power.

Check Your DTI →
Tool · FTHB

FTHB Rate Reduction Income Lookup

Type any DC, MD, or VA address, ZIP, or county to see the FTHB rate-waiver and HomeReady income caps that apply. Includes a 2-tier program model and the math your lender won't show you.

Check Your Income Limit → Tool · Rate Pricing

What Your Credit Score Actually Costs You

Two buyers with the same loan can pay hundreds per month different. See exactly how Fannie Mae's loan-level pricing adjustments (LLPAs) hit your rate by credit score and down payment, and how the FTHB Rate Reduction wipes them out for first-time buyers.

See the Impact → Tool · FTHB

The FTHB Rate Reduction (Waiver), Visualized

First-time buyers in DC, MD, and VA can erase the loan-level pricing adjustments that normally raise their rate by 0.25% to 1.5%. See exactly which add-ons disappear with the FTHB Rate Reduction and what your real rate becomes.

See the Waiver in Action → Tool · VA

VA Entitlement Calculator

See exactly how much VA entitlement you have left, how a second-tier VA loan works, and what you can buy without using cash for a down payment.

Calculate Entitlement → Tool · VA / Military

BAH Calculator

Look up your 2026 Basic Allowance for Housing by installation and pay grade, then see how much home you can afford on BAH alone with a VA loan.

Look Up Your BAH → Tool · Move-Up

Move-Up Buyer Analysis

Buy before you sell? Bridge loan? HELOC? Run the three biggest move-up buyer scenarios and see which one actually wins for your numbers.

Run the Analysis → Tool · Strategy

Down Payment or Debt Payoff?

Should you put all your cash toward the down payment, or pay off debt first? Compare both options side by side and see which one gives you a better monthly picture.

Run the Comparison → Tool · Renovation

Renovation Loan Calculator

Enter a purchase price and renovation budget to see your total loan amount, monthly payment, and how HomeStyle renovation financing compares to buying and renovating separately.

Run the Numbers → Tool · Closing Costs

Prepaid Interest Calculator

Pick a closing date, loan amount, and rate to see exactly how much prepaid interest you'll owe at closing and how shifting your close date changes the number.

Calculate Prepaid Interest → Tool · Self-Employed

How Self-Employed Income Is Actually Calculated

Pick your business type (Sole Prop, LLC, Partnership, S-Corp, C-Corp) and run real Fannie/Freddie cash flow analysis. See your true qualifying income with all the add-backs lenders use.

Run the Calculator → Tool · Income

Rental Income Calculator

Turn rents into qualifying income the way an underwriter does. Run the Schedule E (tax return) add-back method or the lease/appraisal 75% method across up to 10 properties, with a full breakdown and PDF export.

Calculate Rental Income → Tool · Strategy

Low Appraisal Strategy Calculator

When appraisal lands below contract, plug in your purchase price, original loan, and the appraised value. See your original plan vs Stay-the-Same (accept PMI) vs Bring Extra Cash side by side, with tiered PMI rates and a 97% LTV cap warning.

Run the Strategies →

Watch & Learn

Short videos, no jargon.

The same clarity, in a few minutes instead of a few pages. The video library is coming soon.

Christian Kosko — video coming soon Coming soon First-Time Buyer Basics: Start Here The 10-minute overview every DC, MD, or VA first-time buyer should watch before they apply.
Christian Kosko — video coming soon Coming soon The Mortgage Process, Start to Finish Pre-approval to closing day, walked through step by step so nothing catches you off guard.
Christian Kosko — video coming soon Coming soon VA Loans: Buy With $0 Out of Pocket How veterans and active-duty buyers pair VA financing with seller credits to skip the down payment.
Christian Kosko — video coming soon Coming soon Closing Costs: What You'll Actually Pay Every line item on your Loan Estimate, explained, plus the fees lenders quietly pad.

Guides & Articles

The full library.

Browse the full library below, or filter by topic. To jump straight to a guide, use the search at the top of the page.

How Mortgages Actually Work

Principal, interest, escrow, PMI, rate vs. APR... explained without the jargon. If you want to understand what you're actually paying for, start here.

Read the Guide →
Overview

Loan Programs: Conventional, FHA, VA, USDA & More

An overview of the major loan programs available to DC, MD, and VA buyers, and a decision framework for figuring out which one fits.

Compare Programs →

Conventional Mortgages Explained

The most common loan program, but not always the best fit. Here's how conventional loans are priced, what affects your rate, and when they make sense.

Read the Guide →

FHA Mortgages: What They Cost and Who They're For

Lower down payment, more flexible credit requirements, but mortgage insurance that sticks around longer than most buyers expect. Here's the full picture.

Read the Guide →

VA Mortgages: The Full Story for Veterans and Service Members

No down payment, no PMI, competitive rates. VA loans are one of the most powerful programs available. Here's how they work and what the funding fee actually costs.

Read the Guide →
VA Strategy

VA Seller Credits: Buy a Home for $0 Out of Pocket

Active duty, veterans, and reservists can pair VA financing with seller credits to walk into closing with zero cash. The 4% rule most banks cite is wrong, and DMV market norms can push it to 8%. Here's the math.

See the Strategy →

USDA Mortgages: Rural and Suburban Financing in MD & VA

USDA loans offer 100% financing in eligible areas, and more of the DMV qualifies than most buyers realize.

Read the Guide →
Self-Employed

Bank Statement Loans: How Self-Employed Borrowers Qualify

Tax returns understate what self-employed borrowers earn. Bank statement programs use 12 or 24 months of deposits instead. Here's how the math works and who they're for.

See the Math →
For Investors

DSCR Mortgages: How Investors Qualify Without Tax Returns

DSCR loans qualify the property, not the person. No W-2s, no tax returns, no DTI. Here's the formula, a worked example, the pricing bands, and a side-by-side vs conventional investment financing.

See the Math →
DC · MD · VA

Down Payment Assistance Programs in the DMV

There are more DPA programs available in DC, Maryland, and Virginia than most buyers know about, and most lenders don't bring them up.

See What's Available →
DC Deep Dive

DC HPAP: Up to $206,000 in Down Payment Help

DC's Home Purchase Assistance Program is one of the most generous in the country. Full assistance table, eligibility rules, and the real process from a lender who originates these loans.

See the Numbers →
DC Deep Dive

DC Property Tax Breaks for Buyers & Homeowners

Recordation tax reduction, homestead deduction, 5-year tax abatement, veteran and senior programs. Every DC property tax break explained with income caps, price caps, and real math.

See Every Program →
Policy

DC's Homeownership Funding Is Structurally Broken

DC spends $30M+ of taxpayer money on homeownership and still runs out every year. Virginia spends $0 and serves 15x more families. Here's the case for capital markets reform.

Read the Analysis →
Budget Analysis

DC's Budget Tells the Truth About Homeownership

DC spends $1.1 billion on affordable housing. Less than 2% goes to homeownership. Every program, every line item, every ratio that proves the District chose renters over owners.

See the Numbers →
2026 Update

Gift Funds in 2026: How They Actually Work

Most buyers panic about the $19,000 annual exclusion. They shouldn't. There are two buckets, not one ceiling, and the second one is $15 million. Here's how the system really works, with a visual.

See the Buckets →

Understanding Closing Costs: What You'll Actually Pay

Closing costs catch buyers off guard more than any other part of the process. Here's every line item explained, with realistic estimates for DMV buyers.

Break Down the Costs →
Lender Tricks

Lender Tricks: How Closing Costs Get Manipulated on Your Loan Estimate

Lenders only control four of the fees on your LE. Everything else is set by third parties or the government. Here's exactly how a 'cheaper' loan estimate hides thousands in real costs, with a side-by-side example showing the trick.

See the Trick →

Prepaid Interest: The Closing Cost Nobody Explains

It shows up on every Loan Estimate. Most buyers have no idea what it is or that your closing date changes the amount. Interactive calculator included.

See the Calculator →

Rate vs. Points: The Math Behind Buying Down Your Rate

Paying points to lower your rate can save money, or cost you money, depending on how long you stay in the home. Here's how to run the calculation.

See the Math →
Strategy

Low Appraisal Strategy: What to Do When the Number Comes In Low

Appraisal came in $30K below contract. You have four real paths forward, not two. Side-by-side calculator compares Stay-the-Same (accept PMI) vs Bring Extra Cash against your original plan, with tiered PMI and a 97% LTV cap warning baked in.

See the Strategies →

The Mortgage Process, Step by Step

From pre-approval to closing day: what happens, in what order, and what you need to do at each stage so nothing falls through the cracks.

Walk Through the Process →

The Pre-Approval Process Explained

What actually happens during pre-approval, what documentation matters, and why two buyers with the same income and credit can get very different results.

Read the Guide →

What to Expect From Your Lender

A plain-language guide on what a good lender should be doing throughout the transaction, and what to do when yours isn't.

Read the Guide →

The Condo Approval Guide for Agents

Condo financing is one of the most misunderstood parts of the transaction. Here's how warrantability works, what kills deals, and how to avoid surprises.

Read the Guide →

The 15% Condo Reserve Rule

Fannie and Freddie raised the condo reserve minimum from 10% to 15% by memo, no rulemaking, no published model. Two sample audits show who actually gets flipped non-warrantable, and the standard that would work better.

Read the Guide →
For Agents

Agent Resources Hub

Co-marketing tools, client education materials, and guides your buyers can read before they meet with you. Everything in one place.

Go to Agent Hub →

Go Deeper

Want to understand mortgages like an advisor?

The Mortgage Clarity Course walks you through everything (DTI, pricing, loan structures, closing costs) at your own pace. Complete it and earn $2,000 toward your closing costs.

Start the Course

Have a question that isn't covered here?

Book a free Mortgage Clarity Call. We'll answer it directly, and walk through your specific situation while we're at it.

Send us your loan estimate

We'll go bucket by bucket and flag every line item that's been padded, lowballed, or omitted. Free, no obligation, response within 24 hours.