You cleared the inspection, the appraisal came in at value, and your loan officer says the file looks clean. That last week before closing feels like a formality, a slow countdown to a set of keys.
It isn’t. The days between an accepted offer and a funded loan are when underwriters re-verify everything they previously took on faith. A careless move in that window can push closing back a week, cost you your earnest money, or end the deal outright. Here are the moves that derail otherwise careful buyers, and why each one matters so much.
Opening New Credit Is the Fastest Way to Sink a Loan
Lenders don’t approve you once and call it done. Most pull a fresh credit report within a few days of closing, and some check again on the morning of funding. If a new account has appeared, your debt-to-income ratio gets recalculated on the spot.
Run the numbers on a $34,000 truck at $580 a month. On a $95,000 household income, that adds roughly seven points of DTI, which can push a file from 41% to 48%. Conventional loans generally want you under 43% to 45%, depending on the lender’s own overlays. The underwriter does not care that you talked $3,000 off the sticker price. The loan gets suspended while someone decides what to do with you.
The furniture store card trap
“Open a card today and take 20% off your sofa” is a bad trade at three weeks out. New revolving accounts lower your average account age, add a minimum payment to your ratio, and land on the very next report. Buy the couch in cash after the loan records, or wait.
Cosigning for a sibling counts too. Even if you never make a payment, that debt sits on your DTI. There are smart ways to build your credit profile long before you apply, and home buying hacks that can save you money, from credit scores to closing day covers the timing that actually works. Once you’re under contract, the goal is to change nothing at all.
A Job Change Can Restart Your Approval From Scratch
Employment gets verified twice. The second check usually lands in the last ten days before closing, often as a phone call to your employer plus a request for your newest pay stub. If you’ve left that job, the file stops.
Quitting to launch a business is the classic version of this mistake. Switching from salary to commission-only in the same industry is another, because lenders treat commission income as a new stream that needs a two-year history before they’ll count it toward qualifying.
A promotion is usually fine, particularly within the same company and field with equal or higher pay. Mention it anyway. A one-line email confirming your new title and salary takes two minutes and prevents a very tense phone call three days before signing.
Moving Money Without a Paper Trail
Underwriters want to know where every dollar of your down payment came from, which is why they ask for 60 days of bank statements. An $11,000 deposit that appears out of nowhere will get questioned.
- Transfers between your own accounts: fine, as long as both sides of the move show up on the statements you hand over.
- Gift funds from family: fine, with a signed letter stating the amount, your relationship to the donor, and that no repayment is expected.
- Cash deposits: the problem child. Cash can’t be sourced, and unsourced funds may simply be subtracted from the money available to close.
Sell a car for $6,500 last month and drop the cash in checking? Say so now and turn over the bill of sale. Raising it during final review, with four days left on your rate lock, is a far worse conversation.
Don’t Spend Your Reserves Down to Zero
Many loan programs want one or two months of mortgage payments still sitting in the bank after closing. Underwriters aren’t being nosy for fun. They’ve watched too many buyers close with nothing left and miss a payment by month three.
The practical problem is that a house arrives with expenses nobody puts on the closing disclosure. Movers. A refrigerator. A lawn mower. Blinds for eight windows. The plumber who finds a corroded shutoff valve on day two. Budget $3,000 to $6,000 for the first sixty days, on top of your down payment and closing costs. If your cash is thin, down payment assistance programs you may actually qualify for can free up several thousand dollars you’d otherwise have to bring to the table. Shop for those before you’re under contract, though, not after.
Letting a Contingency Deadline Slide
Real estate contracts run on clocks. Inspection contingencies are often 7 to 10 days, financing 21 to 30, and the appraisal slots in somewhere between. Miss one and, in many states, you’ve effectively waived it by silence.
Need more time for a sewer scope or a second contractor bid? Ask in writing before the deadline passes, not the morning after. Sellers usually say yes to a short extension because they want the deal to close too. Understanding home buying contingencies every buyer should understand before making an offer is what keeps you from giving up protection you already paid for, and how long the home buying process really takes, from offer to keys helps you map those dates before they sneak up.
The Final Walkthrough Is Not a Box to Tick
Twenty minutes with a clipboard can save you thousands. Run the dishwasher, the furnace, and every faucet. Open each window. Look under the sinks. Confirm that anything the contract says conveys is still bolted in place, because sellers have been known to swap a stainless fridge for a beat-up garage model.
Keep expectations realistic, though. A walkthrough isn’t a second inspection. If something new shows up, a leaking water heater, say, you can ask for a credit or push the closing, but the seller isn’t obligated to repair issues that surfaced after your inspection period ended. Knowing what home inspectors wish every buyer knew before making an offer makes it much easier to tell a genuine problem from a cosmetic shrug.
Don’t Give Notice or Book Movers Before Funding
Closing dates slip. A missing payoff letter, a late wire, a notary stuck in traffic. Handing your landlord 30 days’ notice based on an unconfirmed date can leave you paying double rent or sleeping at a relative’s place for a week.
Keep a two-week buffer if you possibly can. Holding a rental truck one extra day costs about $50. Breaking a lease early costs a lot more.
Don’t Get Creative on the Paperwork
Occupancy intent, side agreements, an undisclosed loan from a parent dressed up as a gift, income that’s been rounded up. Lenders audit files after closing, and mortgage fraud is a federal offense, not a paperwork slip. Small discrepancies get caught more often than people expect, usually at the worst possible moment, and the fix is never fast. Answer every question exactly as it is, and let the underwriter tell you whether it’s a problem worth solving.