It depends on a number of factors - where you're going, how long you're going for, and what you want covered. You can get a basic week's cover in Europe for around £20, though it's always good to shop around a number of providers in order to find the policy that best suits your needs.
While the cost of ski insurance will vary somewhat depending on several factors, a good website to look for affordable ski insurance is ski-insurance.
Ski travel insurance will vary depending on provider, location and customer. To check some rates online you can visit websites like www.columbusdirect.com/Travel-Insurance/Ski-Travel-Insurance.cfm
There are some insurance that are specifically designed for people with chronic illnesses. However it is very prohibitive and will cost you much more than regualar insurance.
That would depend on each individual insurance company. COBRA is often available but very cost prohibitive. Contact your insurance provider for more information.
Not necessary & the cost will be prohibitive.
I am sure you can purchase jet ski insurance anywhere but here are some good websites: https://www.skisafe.com/ www.skisafe.com/pwc-jet-ski-insurance
Cost prohibitive
Yes, you are in luck. The AFLAC does offer ski insurance for individuals who are interested. I highly suggest that you check them out and consider them for your insurance needs.
www.travelinsure.com is a great website to visit if you are looking for ski travel insurance. You can also visit travel agency websites and see if they offer any ski-travel insurance services.
Cost prohibitive
Yes, there are many places which offer ski insurance. However, most major insurance companies do not offer ski insurance, meaning you will most likely have to get insurance from a company seperate from your major provider. However, insurance usually is for injuries to you while you are skiing, and not for damage done to the actual skis.
The cost to rent a jet ski varies from location to location. The average cost to rent one accross the U. S. is $250-$325 per day. Jet ski rental prices vary greatly based on location. However, for many areas you can expect to rent one for about $50-$100 per day. Nicer models and other features would drive the price higher.