Co-parenting is expensive, and the cost is rarely split evenly. One parent often ends up covering the birthday, the new cleats, the school trip, or the thing your kid has been asking about for months. Asking your co-parent to chip in can turn a simple purchase into a negotiation, so a lot of parents just quietly absorb it.
There is another option most people never think of: let your own side help. Your parents, your siblings, close friends, and godparents almost always want to show up for your kid. They just need an easy, specific way to do it.
Start with one specific goal
Vague asks get vague responses. "Help me with the kids" is easy to nod along to and forget. "Maya's bike, $300 by her birthday" is something people can actually say yes to. Name the child, name the thing, and put a number on it. A photo helps even more, because the people who love your kid are giving to a face, not a spreadsheet.
Make it private from your co-parent
This is the part that makes it comfortable. A savings goal for your child should be yours. It does not have to run through your ex, it does not require their permission, and it does not have to be visible to them at all. You are not splitting a bill or settling a reimbursement. You are simply inviting your own circle to help with something for your kid. In CoreParent, a Piggy Bank is private by default for exactly this reason.
Give people a way to help in seconds
The number one reason a "please chip in" ask fails is friction. If someone has to download an app, create an account, or track down a payment-app username, most of them will mean to and never get around to it. The version that works is one link you can text, that opens to your child's goal, and lets a grandparent contribute with Apple Pay or a card in about ten seconds. No account, no app.
It beats a gift card, and everyone knows it
Relatives do not actually want to give another gift card that gets lost in a drawer. They want to give to this kid, for this thing. A named goal with a progress bar lets them see exactly what their $50 is going toward and watch it get closer to done. That is more satisfying to give than a generic card, and it is money that actually reaches your child.
Keep it honest and transparent
Whatever you use, the people who give deserve to see where the money went. A good setup shows contributors the goal, the progress, and a simple thank-you, so Grandma knows her gift landed on the bike and not in a black hole. Being transparent with the givers is what makes people comfortable giving again next time.
Bring it back for the next occasion
A savings goal is not a one-time thing. Birthdays, sports seasons, camp, and back-to-school come around every year. The families who make this work treat it as a small, normal ritual: name the next goal, share the link with the same circle, and let the people who love your kid do what they already want to do, which is help.
If you want to try it, CoreParent's Piggy Bank is built for exactly this, and it works even if you are the only parent using the app. See co-parenting solo.