Cosmetic surgery and dentistry. We have a lot of cases of British people travelling to Turkey because the cost of surgery is much less. Then they end up severely damaged and have rely on the NHS to fix them up. Never cheap out on medical treatment.

Work Boots and good materials to build an outhouses for out in the fields to last for years. When you got to go, you gotta go. You don't time to make it all the way back to a real bathroom.

Yes farmers still build and use outhouses

food

Anything for my children's health or education

Ribeye steak

WiFi upgrades...

Food and drink.

Any serious healthcare procedure
Multifocal eyeglasses
Hiking shoes
Food
Computer
Camera
Headphones

Sadly, high price isn't the guarantee of the high quality.

I insure what I can, since things go sideways so frequently.

These days , fewer and fewer things.

Rifle scopes

Bedding

Bath towels and headphones.

Pretty well anything where cost and quality are truly correlated and buying better would avoid replacement, improve satisfaction, etc .. to the extent the budget allows.

Sunglasses and a chainsaw!

Whatever's important to you 🤷

Underwear

Comfortable shoes and heels.

Car and toilet paper

Mattresses

Alcohol and nothing else.