When a backup offer triggers a kick-out clause, the seller sends you written notice that a qualifying second offer has come in, and a short clock starts running. Within the window your contract specifies, usually 24 to 72 hours, you have to choose between two things: waive the contingency that made your offer contingent in the first place and commit to closing, or terminate the contract and take your earnest money back. Doing nothing is the worst option, because silence generally lets the seller cancel your deal and move on with the backup buyer.
Here is what each piece of that process actually involves, and where the real risks sit.
The Notice the Seller Has to Send
The kick-out clause isn’t self-executing. Before you lose any rights, the seller has to formally notify you in writing that they’ve received and accepted a qualifying backup offer. That notice is a contractual requirement, not a courtesy. If the seller skips it or handles it sloppily, they can expose themselves to legal liability.
The notice should state the deadline by which you must respond and spell out your options. Most agents use standardized forms for this step precisely because vague notices create disputes. The delivery method matters too. Your purchase agreement likely specifies how notice must be given — email, certified mail, or personal delivery — and the response clock usually starts when you actually receive it, not when the seller sent it. Check the date and method on the notice against what the contract requires before you start counting hours.
Your Two Options and the Clock
Response windows typically run 48 to 72 hours, though some contracts give you as little as 24. Whatever your contract says, that is the number that controls. You have two real choices.
Waive the Contingency and Commit
You can remove your contingency and agree to proceed with the purchase whether or not your current home has sold. That keeps your contract in first position and knocks the backup buyer out of the picture.
It isn’t just a matter of signing a waiver, though. The seller will almost certainly require proof that you can actually close without the proceeds from your home sale. In practice that means a bank statement showing sufficient funds, a lender letter approving financing independent of the home sale, or evidence of a bridge loan in place. Once you waive, the contract converts from conditional to firm. You are legally obligated to close, and if you can’t, you risk losing your earnest money and facing a breach of contract claim from the seller.
Terminate the Contract
The other option is to walk away. If you genuinely can’t close without selling your current home first, this is usually the safer choice. Because the termination happens within the terms of the kick-out clause, your earnest money is typically returned in full. You lose the house, but you avoid committing to a purchase you may not be able to afford.
What Happens If You Don’t Respond
Silence is not a neutral act under a kick-out clause. In most contracts, if you fail to respond by the deadline, the seller gets the right to terminate your agreement and move forward with the backup offer. You don’t get extra time because you were traveling, because your agent was slow, or because you were still thinking it over. The deadline in the contract controls.
Some contracts go further and state explicitly that failure to respond is a waiver of your rights under the agreement. Others give the seller the option to terminate without making it automatic. Either way, ignoring the notice is almost always worse than actively choosing to walk away. Non-response can create ambiguity about whether your earnest money comes back or whether you forfeited it by failing to perform. If you plan to terminate, terminate on paper and on time.
The Money Problem If You Waive
Dropping the contingency under pressure is where buyers get hurt. If your current home doesn’t sell before closing on the new one, you still have to come up with the purchase funds. There are generally three ways to do that, and none of them are cheap.
- Carrying two mortgages. If you close on the new home while still owning the old one, you’re responsible for both mortgage payments, both property tax bills, and both insurance policies. For most households, the math gets ugly within a month or two.
- A bridge loan. This is short-term financing that covers the gap between buying the new home and selling the old one. Bridge loans typically run six to twelve months and carry interest rates pegged to the prime rate or slightly above. They come with closing costs, and most lenders want at least 15 to 20 percent equity in your existing home to qualify.
- Savings or retirement funds. Some buyers drain emergency savings or take early distributions from retirement accounts. Both carry their own financial risks and potential tax consequences.
The worst case is a buyer who waives, can’t sell the old home, can’t line up alternative financing, and then can’t close. At that point the earnest money is likely gone and a breach of contract lawsuit from the seller becomes a real possibility. Run the numbers before you sign the waiver. Don’t do it just to avoid losing the house.
Was the Backup Offer Actually a Qualifying Offer?
Before you accept that the clause has been properly triggered, it’s worth checking whether the backup offer meets the standard your contract set. Kick-out language typically requires a “bona fide” offer, meaning one made in good faith with realistic terms and genuine financial backing. A lowball offer from someone close to the seller, structured mainly to pressure you into waiving, wouldn’t meet that standard.
The most common qualifying trigger in practice is a backup offer with fewer or no contingencies — a buyer who doesn’t need to sell a home first, who already has financing locked in, or who’s paying cash. That reduced risk is what usually makes the backup offer “better” from the seller’s perspective, not necessarily a higher price. Some contracts also require the backup offer to exceed your purchase price by a specific amount. If your contract has that kind of language and the backup offer doesn’t clear the bar, the clause hasn’t been properly triggered and you shouldn’t be on a clock at all.
If the Seller Skipped the Procedure
Kick-out clauses go smoothly when everyone follows the contract. When sellers try to cut corners — accepting a backup and attempting to cancel your contract without following the notice procedures — that’s a breach, and you have remedies.
The primary remedy in real estate disputes is specific performance, where a court orders the seller to go through with the original sale. Because every piece of property is treated as legally unique, courts recognize that money alone may not make a buyer whole. To pursue it, you generally need to show that you were holding up your end of the contract and were ready and able to close.
The alternative is a lawsuit for monetary damages, covering costs like temporary housing, lost deposits on other transactions, inspection fees, and appraisal costs you already paid. Some purchase agreements require the losing party in a contract dispute to pay the winner’s attorney fees, which makes enforcement more financially realistic.
One wrinkle to check before you plan any of this: many real estate contracts contain restricted remedies clauses that limit what you can pursue if the seller breaches. If the contract says your only remedy is return of your earnest money, a court will generally enforce that limitation. Read your contract carefully. It controls what protections you actually have.
Kick-Out Clause vs. Right of First Refusal
These two provisions get confused constantly, and if you’re facing a kick-out notice it’s worth being clear that you don’t have the stronger of the two. A kick-out clause puts the seller on offense: the seller receives a backup, triggers the clause, and forces you to decide. A right of first refusal would put you on offense: a new offer comes in, and you get the chance to match it before the seller can accept it, rather than being forced to drop contingencies on a short clock. If you ever negotiate a contingent offer again, right-of-first-refusal language gives you far more control than a standard kick-out clause does.
For now, though, the clause in your contract is the one that governs. Read the notice, read what the contract says about response time and delivery, and make the waive-or-walk decision on the basis of whether you can genuinely close without the home sale behind you. If the answer is no, terminating is almost always better than gambling your deposit and risking a lawsuit.