“Hey, great party!” a parent laughed while wiping mud off their daughter’s happy face. My own grin stretched wide as I thanked them for coming and made my way upstairs, dodging kids in animal costumes sprinting down.

I made my way to the platform and poked my head into each room until I found my son, the birthday boy. He jumped on our bed in a pillow fight with his friends dressed in a Spider-Man costume, his laughter roaring throughout the whole upper level of our modestly sized home. “You good, bud?” I shouted with a thumbs up. “Mama!!” he shouted back. “I’m having the BEST DAY EVER!!”

We questioned the expensive birthday party formula

We had…