Especially when it's for your parents.
Especially when you're footing the bill.
My God they haven't agreed on anything since they had me and I doubt if they agreed about that.
One of the most important aspects of a contract is it puts in writing the exact specifications of a product. The customer knows exactly what they are getting proven by their signature.
Next time they're signing a contract. I don't care who they are. They're supposed to drive you nuts when you're a kid, not when you're old.
"I wanted a different yellow"
"I wanted brown"
I just want to get done God bless them.