With a 5 foot ladder? Was it a hobbit hole?
I think you do lose child care benefits or something at that point (I can’t remember, I don’t have kids)
You make it sound like a cliff, but you lose £1 of the £12.5k allowance for every £2 over £100k you earn. You don’t suddenly lose the whole allowance at £100,001.
Jim the horse? I’m afraid I have bad news for you.
It’s widely used in the EDA (chip design) industry. (Unfortunately)