What’s weird about the Agreed Value is that doesn’t it invite insurance fraud? If I say my boat is worth $100K even though it’s only worth $50K and then I purposely total it, I just get to keep the extra $50K? How do they protect against this.
The premium is also a limiting factor, as you will need to pay the premium on a $100k boat instead of a $50k boat. And as Joe stated if your 1982 16′ Lund is insured for $100k, you will have to justify that amount at the time of a total loss claim. Agreed Value is nice in that you and the insurance company know what you have, but there’s a reason it’s only used on more subjective items like boats. Umbrella insurance does not help with the value of your boat/home/auto, it only protects you from liability to others (ie you hit someone and they sue you for damages).
Another rude awakening is if you have Actual Cash Value on your Homeowner’s and have a claim (particularly hail), as you will be paying a much larger share of that loss than just your deductible.
Also, you will want to check to see what is all covered by the policy. Do they cover towing the boat off a lake? What about towing the boat and trailer on the highway? How much tackle and loose equipment do you have, and how is that covered? There’s a lot that goes into what most would think is pretty straightforward.