I've worked in Property & Casualty insurance for 17 years. Never go without liability coverage. If I even realize my dream of going car-free, I will still buy non-owned auto liability coverage, and I will always have personal liability coverage regardless of property ownership status.
Here are some things you might be liable for: injury to a pedestrian from failure to repair your walkway (or snow/ice removal, which is far more common in the places that get that), property damage to your neighbor's house from failing to care for a tree, overserving someone alcohol if they then injure someone else, property damage to your neighbor's house from a fire that starts on your property, injury to a guest who falls down your stairs, injury to a contractor or other person working at your house, kids sneaking onto your property to play and getting injured.
These claims can be insanely expensive. You'd be lucky to get out of any of them for six figures.
Here's what I'd suggest you do:
-Call an independent insurance agent; that is, one who represents a lot of different insurance carriers rather than just one (State Farm, Farmers and AllState are all examples of captive agents. They're good companies, but the agents can't do comparison shopping for you the way that independent agents do.)
-Tell them you're looking for as high of a property deductible as possible; this is the interim step between regular coverage and self-insuring. You'll still have liability coverage, and some property coverage for a catastrophe but you'll be responsible for claims under your deductible.
-Ask about discounts for paying in full or auto-pay.
This is just an aside,
@Metalcat, but generally there's no connection between property extensions and the liability coverage. If your dishwasher floods and damages your neighbor's property, I would generally expect that to be covered on a homeowners liability coverage without a flood extension. Now, there's an insane amount of state variability on Personal Insurance, and it sounds like you had your lawyer take a look, but it's also true that insurance law can be very different from other specialties. I would read your policy and look for a flood exclusion on the liability portion.