What kinds of purchases are okay
Different families have different comfort levels. Some think any purchase at a store is a special thing that requires parent approval. Some think small snacks or treats are fine without asking. Some have a "birthday budget" or "activity treat" built into every outing. Get specific about what category each outing falls into before you go.
Ask: "For this trip to the park / grocery store / museum, what's the spending situation? Can I get her a snack if she asks? Can we pick up a small toy if there's a gift section?"
What needs approval first
Some families want you to text or call before any non-essential purchase. Some give you general guidelines and trust your judgment. Some have different rules for different types of outings. Be clear about which scenario you are in so you know when to check in.
Ask: "If she wants something at the store, should I ask you first or just make the judgment call based on what you told me?"
Treats, souvenirs, snacks, and extras
Clarify each category separately. A snack might be always okay. A souvenir might need approval. A toy might be reserved for special occasions. The more specific you are, the fewer in-the-moment decisions you have to make.
Example clarity: "Snacks and drinks are fine. Small under-five-dollar items are okay if she really wants something. Anything bigger than that, I'll check with you first. Is that the right way to handle it?"
Budget and spending limits
Some families give you a specific amount to spend. Some give guidelines (keep it under a certain amount per outing). Some give a weekly total. Know what you are working with so you can make decisions without constantly worrying about overspending.
Ask: "Is there a budget I should stick to for extras during outings, or do you want to approve anything that comes up?"
Receipts and updates
Some families want receipts for all purchases. Some want a text update. Some just want a summary when you get home. Agree on the tracking method so you are not doing extra work or missing information they need.
Ask: "How do you want me to keep track of what we spend? Do you want receipts, a text summary, or just a verbal update?"
Different rules for different outings
An outing to the grocery store might be "no extras." An outing to an amusement park might be "one treat is built in." A trip to a natural history museum might be "small things from the gift shop are okay." Ask about each type if you do a variety of outings.
Ask: "Do the spending rules change depending on the type of outing? What should I expect to say yes to at different kinds of places?"