Baby showers are one of the most consistently over-budgeted celebrations in American social life — and one of the categories where a strategic Costco run produces the most dramatically favorable result. The average baby shower in 2026 costs the hosting family $300 to $800 in food, decorations, and incidentals when assembled from a combination of grocery stores, specialty party supply retailers, and online gift purchases. The same shower, planned with a Costco run as the prima