My husband and his ex have 50:50 with their two children.
They have an agreement where they split the holidays by taking their annual leave / arranging childcare.
My husband's ex was due to be off over half term but has just been called into work due to short staffing and my husband will struggle to be off now due to booking jobs in (SE) as ex was due to be off this time.
I work part time (also SE) and very flexibly and so I am off next week with our DC (nursery age and just started school) I keep finances separate (pay bills from a joint account but spends are separate). I have my own money and contribute to the household via my work.
I have some days out booked for DC next week with friends.
I have said I can look after DSC but their parents will need to provide the funds for them to join us on our days out as I don't want to have to cancel (and sit in all week doing nothing) and I also don't want to pay for two extra tickets and food etc.. whilst there. DSC are 8 & 10 so also cost more for most of the things.
AIBU to say this is fine but DH and / or his ex will need to provide the money between them so we can do the things I had planned over the school holiday?