Lifetime cover is usually the safest route, but it is not immune to aggressive...

https://www.nav-bookmarks.win/choosing-lifetime-dog-insurance-is-about-avoiding-nasty-surprises-later-with-a

Lifetime cover is usually the safest route, but it is not immune to aggressive price hikes. With a complex cruciate repair often costing over £5,000, choosing the wrong policy is a financial risk you cannot afford