Kids are expensive, but the sticker price isn’t the real problem. The real problem is buying the wrong thing at the wrong time. A $70 jacket is a waste if it only fits for six weeks. A $25 stroller is a disaster if the wheels die on day three. The trick is to match what you buy to the age and stage, then hunt deals with a plan instead of panic.

For newborns and infants, the biggest trap is gear that looks essential but gets used for a blink. Bassinets, swings, bouncers, and tiny clothes are often outgrown before they wear out. That makes them prime candidates for used purchases. Consignment sales, local parent groups, and online marketplaces are goldmines here, especially for clothes, swaddles, play mats, and nursery decor. You can often buy a garbage bag of barely worn onesies for less than one new outfit. But safety items deserve new-cash treatment. Buy a new car seat unless you know its full history and it isn’t expired or crashed. Buy a new crib mattress if possible, and make sure any crib meets current safety standards. For diapers and formula, use subscribe-and-save discounts, manufacturer coupons, and warehouse-club pricing. Don’t chase a deal that requires buying a year’s worth of a brand your baby might reject.

Toddlers and preschoolers are where durability starts to matter. They are hard on shoes, clothes, and toys. This is the age to pay a little more for items that survive, but only after checking resale. Sturdy sneakers from a good brand often cost less used in great shape than cheap new ones that fall apart. Avoid used shoes for kids who are still learning to walk, because the previous wearer’s footprint can affect fit and support. For everything else, set a price alert on the exact item you want and wait. Toddler clothes go on steep clearance at the end of each season. Buy one size ahead only if you have storage and the seasons line up. A winter coat in the next size up at 70 percent off is a win. A swimsuit in the wrong season is clutter.

Elementary-age kids bring a new challenge: opinions. They want what their friends have, and that usually means brands. You can still win. Let them pick from a shortlist of used or previous-season options. Many popular clothing brands hold up well enough that secondhand looks nearly new. For backpacks, lunchboxes, and water bottles, buy the boring, reinforced version once instead of replacing a cheap one every semester. School supplies are a price-tracking game. Retailers run loss leaders before school starts, so stock up on crayons, glue sticks, and notebooks when they hit rock bottom. For bikes and scooters, check local classifieds first, but buy a new helmet every time. A used helmet can have invisible damage.

Tweens and teens are the hardest to bargain-hunt for because status matters. The solution is not to fight the want; it’s to redirect it. Buy last year’s phone model refurbished from a reputable seller with a warranty. Buy sneakers in less hype-driven colorways. Buy brand-name hoodies and jeans from resale apps, outlet clearance, and consignment shops. Teach them to sell what they no longer use, then let them keep part of the proceeds for the next purchase. That turns shopping into a game they can win. For tech, set a hard budget and compare refurbished prices against new sales. Extended warranties are usually a bad bet on cheap accessories and a decent bet on a laptop a student will carry daily.

The same rules work online and off. At garage sales, go early for big-ticket items and late for bulk clothes. At estate sales, ask about bundled pricing. On online auctions, decide your maximum before you bid, factor in shipping, and never get emotional. In stores, scan clearance endcaps, check price-match policies, and use apps that track price history. If you’re shopping for yourself, resist the urge to buy the same thing in three colors just because it’s cheap. A deal on something you don’t need is still money gone.

The best parents and caregivers aren’t the ones who spend the most. They’re the ones who buy the right thing at the right age, keep it in good shape, and pass it on when it’s done. Kids grow fast. Your money doesn’t have to disappear just as quickly.