Well this took a sinister turn. I can't believe your op is about how you wish to spend as you see fit when something as major as your husband wishing to deny his own children a uni education is also on the table. Everything else pales into insignificance past that.
You should enourage your children to reach their potential. And to be happy.
My daughter studied law, she is starting her training contract with a huge global law firm next summer, by the age of 26/27 she will in on triple figures as a commercial lawyer. Her call. Her uni debt will be paid off fast and was worth every penny ,it's what she wishes to do. She's happy as a pig in shit.
But according to your husband your kids don't get that option. It's his decision, not theirs? Or does he think my daughter made a mistake? She should have been happy on an average wage in a semi skilled job she hates just like he hates his job?
I'd walk over that. As much as I think you should be working, and I'm appalled you posted about trivialities of your fun money when your own husband is threatening your children's futures, shocks me. Condemning them to a life of hating their jobs like he hates his.
As said for me rhat would be a relarionship ender. And hopefullly your children are able to do what they want,without either of yours support or interference.