Alongside my regular job I work part-time as a childminder and general 'mother's help' for a couple of high earning friends and acquaintances who are really stressed.
I've noticed a few things and here's what I'd say to them, though I won't as it would be rude:
You're trying to do too much. Have more downtime, don't keep on going on holiday/staying with family/having people stay over. You're constantly knackered.
Instead of paying me to batch cook, it would be just as good to buy fancy ready meals, eg Charlie Bingham. Much cheaper and you wouldn't have someone else in your kitchen.
Have more routines and reminders. (I have a list of "things to do on Sundays" eg sort uniform for the week, clean fishtank, and the same for the first day of the month, eg. Look at budget, put air in tyres etc. I'm a single mum so every job is on me).
Take more time for yourself then you might get some valuable perspective on ways to make life easier or just unwind. Your high income could allow you a lot more quality of life than you're getting. Have a bloomin massage once a week.
Have date nights if possible (relevant to the end of my own marriage)
Even though you have a cleaner, get everyone to clear up after themselves, otherwise you're having a couple of tide hours twice a week then living in a mess the rest of it.