If your building is old, your apartment is threatened by old pipes as well as by your renovating neighbors.
Spouses and domestic partners are covered automatically -- which is good news if your partner has better credit than you.
A broker with local knowledge can help translate the requirements of co-op boards and condo boards, which can vary.
Insurance rates are based on rebuilding or replacement cost, not market value.
Some insurers will not cover you if you have certain "bad reputation" dog breeds.
Many bots generate price quotes using algorithms that are still "tuned" to rural and suburban middle America.