Insure, or save the money yourself?

The one thing nobody selling insurance will tell you

An insurer has to take in more than it pays out. That is not a criticism, it is how the business works. It means the expected payout on any policy is always lower than the expected cost — so if you run the arithmetic on any pet insurance policy, self-insuring wins. Every time. That is not a secret the industry is hiding; it is just arithmetic that nobody puts on a comparison page, because the conclusion is bad for sales.

Which means the honest question is not which one is cheaper. It is: could you absorb the bad day if it came?

Insurance is not a bet you are trying to win. It is a bet you are buying a way out of. It pays off in exactly the scenario where you could not have coped — and in that scenario, paying more than the expected value is perfectly rational. If you have the money to handle a $8,000 bill without real damage, you are paying a premium to avoid a loss you could already survive. If you do not, you are buying the only thing that stands between your dog and a decision made on price alone.

The calculator above gives you both numbers so you can see where you sit, rather than being told.

Why the spine is the whole argument for a dachshund

For most breeds, insurance is a general bet on accidents and illness. For a dachshund, it is almost a single-condition bet, because one condition dominates the risk and the cost.

• Reported lifetime IVDD prevalence is around 15–25%, the highest of any breed. The long back and short legs are the anatomical reason, and it is a breed trait rather than something a good breeder can fully screen out.
• A surgical episode runs from about $3,000 to $9,000 all-in, and a specialty neurology centre can exceed $12,000. Conservative management — strict crate rest and medication — still costs four figures.
• It can happen more than once. Published figures suggest roughly one in five surgically treated dachshunds herniates another disc within about three years, which doubles the lifetime exposure.

So the decision is unusually clean. Almost everything you are paying for, or saving for, is one event on one body part.

The three ways insurance stops helping

1. There is already something in the record

A condition is normally pre-existing if clinical signs appeared before the policy began or during a waiting period. IVDD is a slow-onset disease that reveals itself in small signs first, so an owner often has no idea anything has been written down. A note about stiffness after a long walk, or reluctance to jump off the sofa, can be the whole foundation of a later refusal.

2. The sign appears during the waiting period

This is the version owners never see coming. You bought the policy, you are paying for it, and then on day 20 of a six-month spinal waiting period your dog wobbles. The condition can be excluded for life even though cover was active and paid for. The waiting period is not protection, it is exposure.

3. The exclusion spreads further than you expect

Under a strict bilateral or related-condition clause, a sign recorded on one side can exclude that condition on both sides permanently. Since dachshunds frequently herniate discs at more than one point along the thoracolumbar spine, an early note about a minor strain can be used years later to decline emergency surgery.

None of these three is about price. That is why this page makes you answer the question about the record before it does any arithmetic.

Where self-insuring actually breaks

The arithmetic advantage of self-insuring is real, but it rests on two assumptions, and both of them fail sometimes.

The first is timing. A savings pot is smallest exactly when the risk is highest. IVDD commonly appears from two or three years of age. If you start saving when the dog is two and the disc goes at four, you have two years of contributions — not the ten the comparison assumed. The maths works over a long horizon and fails over a short one.

The second is discipline. Money sitting in a normal account is money that gets spent, and money that gets quietly reclassified as available for something else. Self- insuring is not a calculation, it is a behaviour, and it needs a mechanism: a separate account, an automatic transfer, and a target you can see.

If either assumption fails for you, the arithmetic advantage is wiped out by one bad year. That is the honest case for the premium.

What actually reduces the risk, insured or not

This is the part that does not depend on any of the above, and it is the only part you fully control. Weight is the largest of them: extra body weight puts load directly on a spine that is already mechanically compromised, and it is the one factor you can change this month.

• Keep the dog lean. Ask your vet for a target weight and a body condition score, and weigh the dog monthly rather than guessing.
• Stop the jumps. Sofas, beds and car boots are the everyday events. Ramps and steps remove them.
• Use a harness, not a collar, for anything that pulls.
• Keep floors non-slip where the dog runs and turns indoors.
• Build core strength with the exercises your vet or a rehab therapist gives you, not from a video.

These are the interventions with a plausible mechanism behind them. Be sceptical of anything marketed as preventing IVDD outright: a 2022 systematic review and meta-analysis of nine trials found no meaningful benefit from glucosamine and chondroitin supplementation, which are still among the most commonly recommended products for exactly this purpose.

Assumptions, published ranges and sources

Breed risk. Lifetime IVDD prevalence for dachshunds is put at roughly 15–25% in published breed and insurer guidance. The model uses 20%, the midpoint, and converts it to a flat annual probability of about 1.85% across a twelve-year adult life. This is a simplification. Real onset is age-dependent, peaking in middle age, so a flat rate will understate the risk in the middle years and overstate it at the extremes. Published sources do not agree closely enough on an age curve to model one honestly.

Cost of an episode. Insurer-published figures for imaging plus the procedure alone run about $2,500–$7,000; all-in totals including hospitalisation and aftercare are commonly quoted at $5,000–$9,000; specialty neurology centres reach $10,000–$15,000 for the most complex cases. The slider runs $2,500–$15,000.

Recurrence. Published figures suggest around 20% of surgically treated dachshunds herniate a second disc within about three years. The model treats the risk figure as covering at least one episode and does not model a second one separately, so the cost side is if anything conservative.

Premiums. Published US ranges for dachshund accident-and-illness cover sit around $28–$70 a month depending on age, location and plan. The default of $45 is inside that range and is not a quote. The default 10% annual increase is derived from published sample quotes for the same dog at age two and age eight; set the slider to zero to remove the assumption entirely.

Claim arithmetic. Expected payout is modelled as the probability of at least one episode over the horizon, multiplied by the lesser of the episode cost and the applicable limit, minus the deductible, multiplied by the reimbursement rate. Real claims are multiple line items, deductibles are applied annually while limits can apply per year or per condition, and pre-authorisation rules vary. Treat the output as indicative, not as a quote.

What is deliberately not modelled. Non-spine claims, which are real and which insurance does cover — this makes the insurance column look worse than it is in practice. Interest on savings, which makes the self-insure column look slightly worse than it is. Inflation. Tax. And the fact that a dog may need care that costs less than a surgery but more than a savings pot.

Honest limitation. This tool does arithmetic on numbers you type in. It cannot read your policy, it does not know your dog, and it is not a substitute for the policy document, a financial adviser, or your vet.

Common questions

Is pet insurance ever worth it financially?

On average, no, and it cannot be. An insurer must collect more than it pays or it would not exist, so the expected payout is always below the expected cost. Insurance is worth it when a single event would be unaffordable rather than when it is a good bet. For a dachshund the event in question is a $3,000–$9,000 surgery arriving on one day.

How much should I put aside each month instead?

Divide the cost you want covered by the months you are giving yourself. Against an $8,000 episode over ten years that is about $67 a month; over three years, about $222. The arithmetic is easy, the discipline is not, which is why a separate account and an automatic transfer matter more than the number.

My dog already has a note in its record. Is insurance pointless now?

Not pointless, but it will not help with the spine. Most policies exclude a condition permanently once clinical signs predate the policy or fall inside a waiting period. Unrelated accidents and illnesses stay coverable. The spine risk then has to be handled by saving and by reducing the factors you can control. And if the dog is showing signs right now, that is a vet appointment, not a research project.

What is the real downside of self-insuring?

Timing and self-control. A savings pot is smallest exactly when the risk is largest, and a pot that is not ring-fenced tends to get spent. If either fails, one bad year erases the arithmetic advantage you were relying on.

Does my state change the answer?

It changes the policy rules, not the arithmetic. Several states have adopted the NAIC pet insurance model act, which caps waiting periods at 30 days for illness and orthopedic conditions, stops a covered condition being reclassified as pre-existing at renewal, and puts the burden of proving a pre-existing exclusion on the insurer. Useful protections — none of which alter the fact that a premium is priced above the expected payout.

Still deciding whether a policy would pay at all? The IVDD insurance timing calculator works out the exact date your dog's spinal cover begins, and the last day you can still enrol. Budgeting the rest of the dog? Start with the annual dog cost calculator.