These are written for the two of you, one question at a time.

Write the expense agreement before the first disagreement tests it.
The first disagreement is rarely about the orthodontist.
An add-on expense is the part of child support that arrives as a receipt.
There are two kinds of money in a child support order, and most parents only ever talk about one of them.


Your co-parenting app should not be the thing that moves the money.
Every co-parenting app that tracks a child's expenses eventually adds a button to pay them.
The first of the month is when a shared ledger earns its keep.
The statement arrives at six in the morning Central on the first, whether or not either of you is awake for it, and it says the same thing to both of you.
