Baby budgets rarely include a line item for the pet who was there first.
It’s an easy gap to close now — before it quietly becomes a real one.
The common approach: build a baby budget from scratch, covering nursery costs, childcare, medical expenses, and everything else new, while quietly assuming the existing pet’s costs will just keep absorbing into the general household budget the way they always have.
The gap that creates: pet costs don’t actually stay static once a baby arrives — and even when they do, they were never actually accounted for as their own category, which means they quietly compete with baby expenses instead of being planned alongside them.
What your pet actually costs, honestly
Annual pet costs — food, preventive care, routine vet visits, grooming, and basic supplies — average around $1,547 a year for a dog and $687 a year for a cat, according to recent industry surveys. For a dog, that typically breaks down to roughly $339 for food, $367 for veterinary care, and around $99 for grooming, with the rest split across supplies and other routine costs. For a cat, it’s closer to $250 for food and $264 for veterinary care, with a smaller supplies line and minimal grooming. Most pet owners have a rough sense of this number but rarely write it down as a single figure, which makes it easy to underestimate when it’s not sitting next to the rest of the household budget in black and white.
Figures reflect averages from Forbes Advisor’s 2026 pet ownership data and the APPA National Pet Owners Survey — your own costs will vary by breed, size, age, and location.
What this looks like as an actual monthly line item
Spread across twelve months, that annual figure works out to roughly $130 a month for a dog and $55 a month for a cat — a number worth sitting next to the rest of a monthly baby-budget draft, not off to the side of it. Neither number is huge on its own, but a new baby budget is usually built by stacking exactly these kinds of moderate, recurring line items, and a pet’s monthly cost belongs in that stack from the start rather than getting absorbed into a vague “miscellaneous” category.
Where the overlap with baby costs actually shows up
Vet costs don’t pause once a baby arrives, and they’re easiest to plan for honestly now, alongside baby-cost conversations, rather than as a surprise line item later. The two budgets aren’t really separate in practice — they draw from the same household income, at a time when that income is often more stretched than usual, whether from reduced work hours, childcare costs, or simply more overall spending.
A Little Support for Every Stage
Helpful checklists, guides, and resources to make each stage a little easier.
Why now is a better moment to do this than later
Budgeting conversations are easier to have with a clear head, before sleep deprivation and a newborn’s unpredictable schedule make focused financial planning much harder to fit in. Folding pet costs into the same conversation as baby costs now means you’re working from one accurate picture of total household spending, instead of discovering a gap between the two once you’re already busy.
One small step that pays off later
Setting aside even a small pet emergency fund, or looking into pet insurance before premiums rise with age, is easier to do now than once a second set of expenses arrives. Average monthly premiums for accident-and-illness coverage currently run around $70 for a dog and $36 for a cat, and that cost climbs steadily with age — industry data comparing policies at age two versus age eight shows premiums increasing anywhere from roughly 60% to well over 150%, depending on the insurer, simply because the pet got older while the policy sat unpurchased. Locking in coverage while a pet is younger doesn’t just mean a lower price today; it usually means a lower price for the entire life of the policy, since most insurers base ongoing increases off the age you enrolled at.
Premium figures and age-based increase examples are from NerdWallet’s 2026 pet insurance cost analysis.
What this doesn’t require
This isn’t a call to overhaul your pet’s care or cut corners to make room for baby expenses. It’s simply about making sure your pet’s actual annual cost is a visible, named number in your planning, rather than an invisible amount that’s always been absorbed somewhere without anyone quite tracking where.
Where this lands: add your pet’s real annual cost into the household budget conversation now, alongside the baby planning — it’s a much smaller adjustment to make today than discovering the gap later, at a point when there’s far less room to absorb a surprise.
Got a procedure or checkup you’ve been putting off? Here’s why now is actually the easier window — worth factoring into the same budget conversation.
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